Answer
Answer
Algebraic Expressions
Solving linear algebraic equations
Chapter 1: Algebraic Expressions
Part A: Evaluating Expressions
1.
-7
10. 15
19.
2.
4
11.
-6
3.
-61
12.
56
4.
-14
13.
90
5.
-16
14.
6.
26
7.
-4
28. 14
37. 2
46. 9
55. 6
64. 4
73. 42
82. -9
20. -7
29. 100
38. -99
47. 17
56. 80
65. -2
74. 57
83. 2
21.
30. 9
39. -26
48. 19
57. -29
66. 64
75. 4
84. 81
22. -3
31.
40. -81
49. 12
58. -38
67. -35
76. 8
85. -17
2
23. 6
32. 80
41.
50. 15
59. -32
68. 21
77. 59
86. 33
15.
5
24. -2
33. -30
42. 1
51.
60. -24
69. 6
78. 17
87. -10
-3
16.
-58
25. -6
34. 2
43. 12
52. 72
61.
70. -17
79. 5
88. 56
8.
-2
17.
8
26. 1
35. -7
44. 48
53. -28
62. -10
71.
80. -2
89. 23
9.
21
18.
33
27. 9
36. -32
45. 85
54. -81
63. -8
72. -11
81.
90. 18
14
2
45
-9
2
5
91
Chapter 1: Algebraic Expressions
Part B. Solving linear algebraic equations
72. {3}
90. {2}
108. {11}
126. {20}
144. {18}
162. {-289}
91.
{8}
109. {-3}
127. {-200} 145. {-27}
163. {-27}
92. {16}
110. {1}
128. {-10}
146. {-19}
164. {-330}
93. {-16}
111.
{-3}
129. {-11}
147. {-11}
165. {-28}
94. {-4}
112. {13}
130. {84}
148. {-6}
166. {-408}
131. {4}
149. {13}
167. {17}
132. {4}
150. {-39}
168. {-207}
133. {9}
151. {-8}
169. {-8}
134. {-29}
152. {-315}
170. {-19}
99. {-20} 117. {6}
135. {-182}
153. {-17}
171. {12}
100. {15}
118. {231}
136. {-26}
154. {17}
172. {27}
101. {522} 119. {-29}
137. {260}
155. {-2}
173. {95}
102. {4}
120. {-198}
138. {21}
156. {-27}
174. {11}
103. {5}
121. {19}
139. {25}
157. {182}
175. {-29}
104. {-17}
122. {-609} 140. {20}
158. {-50}
176. {-24}
105. {10}
123. {26}
141. {-754}
159. {24}
177. {-200}
106. {4}
124. {22}
142. {-1}
160. {14}
178. {4}
107. {-11}
125. {-200} 143. {4}
161. {-19}
179. {27}
1.
{7}
18.
{9}
36. {8}
54. {-7}
2.
{-5}
19.
{6}
37. {10}
55. {0}
3.
{-4}
20. {-1}
38. {1}
56. {-6}
4.
{-6}
21.
{4}
39. {-6}
57. {6}
5.
{-1}
22. {9}
40. {-9}
58. {10}
76. {7}
6.
{1}
23. {6}
41.
{7}
59. {5}
7.
{0}
24. {-3}
42. {-7}
60. {-1}
8.
{3}
25. {-4}
43. {6}
61.
9.
{8}
26. {10}
44. {1}
62. {5}
95. {-3}
113. {20}
78. {-10} 96. {-29} 114. {-5}
79. {-2} 97. {11}
115. {-18}
80. {-9} 98. {-2}
116. {-27}
10. {1}
27. {-8}
45. {-4}
63. {9}
11.
{3}
28. {2}
46. {7}
64. {8}
12.
{7}
29. {1}
47. {1}
65. {-5}
13.
{-4}
30. {-1}
48. {6}
66. {-9}
14.
{-8}
31.
{-5}
49. {0}
67. {-4}
15.
{3}
32. {0}
50. {2}
68. {3}
16.
{-6}
33. {-8}
51.
{-5}
69. {1}
17.
{-6}
34. {5}
52. {4}
70. {2}
35. {-7}
53. {-3}
71.
200
{0}
{10}
73. {5}
74. {-6}
75. {1}
77. {-8}
81.
{-4}
82. {-9}
83. {-8}
84. {-4}
85. {2}
86. {10}
87. {5}
88. {-4}
89. {-5}
180. {621}
Answer
Scientific Notation
Chapter 2: Scientific Notation
1.
3.721 × 10-5
35. 1.5 × 10-3
69. 1.569 × 103
103. 1.104 × 107
137. 2.797 × 10-9
171. 3.067 × 103
2.
6.561 × 1015
36. 3.315 × 10-5
70. 3.579 × 1020
104. 1.224 × 10-2
138. 2.302 × 104
172. 9.153 × 10-2
3.
2.55 × 105
37. 3.087 × 105
71.
105. 7.085 × 10-1
139. 4.436 × 101
173. 6.776 × 10-11
4.
2.804 × 1010
38. 1.893 × 106
72. 2.5 × 109
106. 2.586 × 1011
140. 2.56 × 108
174. 1.202 × 102
5.
2.972 × 107
39. 3.022 × 10-3
73. 1.86 × 10-6
107. 1.352 × 10-4
141. 3.792 × 10-8
175. 1.025 × 105
6.
9.113 × 10
40. 9.308 × 104
74. 8.88 × 10-12
108. 9.88 × 10-10
142. 1.418 × 1011
176. 2.976 × 10-3
7.
1.681 × 10
41.
75. 4.091 × 10
4
109. 1.955 × 10
143. 6.667 × 107
177. 6.428 × 102
8.
4.361 × 1010
42. 2.16 × 10-7
76. 1.8 × 1011
110. 1.024 × 101
144. 7.053 × 10-11
178. 1.68 × 10-2
9.
3 × 102
43. 1.384 × 10-5
77. 2.233 × 102
111.
145. 7.497 × 109
179. 1.233 × 101
10. 7.256 × 104
44. 4.666 × 1016
78. 4.929 × 107
112. 1.612 × 100
146. 1.92 × 107
180. 6 × 101
11.
4 × 10-6
45. 7.74 × 105
79. 2.16 × 10-6
113. 9.27 × 10-1
147. 5.376 × 104
181. 5.41 × 10-1
12.
4.62 × 10
46. 3.029 × 10
80. 3.844 × 10
114. 9.492 × 10
148. 1.542 × 10-2
182. 5.418 × 10-4
13.
5.36 × 101
47. 1.272 × 105
81.
5.6 × 103
115. 8.94 × 101
149. 6.09 × 10-6
183. 1.704 × 10-1
14.
1.177 × 105
48. 5.143 × 10-1
82. 1.573 × 1011
116. 7.5 × 10-7
150. 2.4 × 10-9
184. 1.173 × 105
15.
1.25 × 101
49. 1.801 × 10-11
83. 1.877 × 10-9
117. 3.682 × 10-2
151. 1.1 × 101
185. 2.424 × 10-5
16.
2.915 × 104
50. 9.429 × 103
84. 6.829 × 10-2
118. 9.556 × 10-11
152. 5.333 × 10-2
186. 4.02 × 10-2
17.
1.005 × 106
51.
1.531 × 10-1
85. 1.184 × 10-5
119. 3.24 × 106
153. 1.72 × 104
187. 7.29 × 10-10
18.
-3
5.476 × 10
52. 4.444 × 10
86. 2.067 × 10
120. 4.02 × 10
154. 1.82 × 101
188. 3.666 × 10-5
19.
4.306 × 10-7
53. 2.52 × 108
87. 1.127 × 107
121. 6.099 × 102
155. 1.179 × 109
189. 7.317 × 10-2
20. 4.588 × 10-1
54. 1.053 × 10-2
88. 6.966 × 102
122. 9.25 × 100
156. 9.263 × 102
190. 1.786 × 10-6
21.
2.275 × 108
55. 8.722 × 107
89. 1.291 × 10-9
123. 5.13 × 100
157. 2.516 × 10-1
191. 3.752 × 102
22. 3.672 × 105
56. 5.926 × 10-1
90. 1.48 × 10-4
124. 8.085 × 108
158. 1.813 × 109
192. 5.72 × 10-3
23. 5.22 × 1010
57. 3.92 × 105
91.
125. 1.072 × 100
159. 5.769 × 104
193. 1.557 × 101
24. 2.271 × 10
58. 3.077 × 10
92. 4.487 × 10
126. 4.55 × 10
160. 2.538 × 10-3
194. 1.95 × 10-5
25. 4.429 × 10-2
59. 3.45 × 10-2
93. 9.8 × 10-10
127. 2.16 × 1014
161. 1.852 × 108
195. 6.93 × 103
26. 4.23 × 108
60. 5.688 × 108
94. 7.407 × 10-1
128. 2.092 × 105
162. 8.889 × 101
196. 1.804 × 10-4
27. 1.321 × 109
61.
8.154 × 101
95. 8.899 × 107
129. 6.561 × 10-6
163. 3.921 × 10-1
197. 9 × 105
62. 4.918 × 107
96. 7.776 × 10-2
130. 3.618 × 104
164. 5.175 × 104
198. 4.761 × 10-7
29. 9.259 × 10
63. 4.025 × 108
97. 2.116 × 10-1
131. 7.744 × 10-5
165. 7.662 × 10-1
199. 5.846 × 10-5
30. 9.14 × 10
64. 2.83 × 10
98. 4.288 × 10
-7
132. 1.426 × 10
166. 4.39 × 10-5
200. 5.156 × 105
31.
6.918 × 10-1
65. 9.303 × 10-1
99. 1.774 × 101
133. 2.623 × 108
167. 9.618 × 10-4
201. 3.16 × 102
32. 7.407 × 102
66. 1.469 × 1012
100. 3.64 × 10-2
134. 2.889 × 10-1
168. 1.104 × 10-1
202. 3.333 × 10-9
33. 2.369 × 105
67. 8.759 × 10-3
101. 4.084 × 1016
135. 1.066 × 10-8
169. 8.111 × 107
203. 3.45 × 10-7
34. 6.897 × 101
68. 2.52 × 10-9
102. 1.38 × 10-1
136. 6.76 × 104
170. 8.333 × 105
-8
-7
1
2.605 × 10
6
6
-1
28. 7.92 × 100
1
5
1.002 × 10-2
5
-3
3
-4
13
6.667 × 105
-3
1
2.646 × 1013
-3
2
-4
201
Answer
Scientific Notation
204. 1.347 × 109
236. 2.25 × 10-10
268. 1.759 × 10-1
300. 2.795 × 104
332.
1.892 × 10-3
205. 5.58 × 101
237.
269. 2.704 × 10-11
301.
6.908 × 10-1
333.
3.2 × 108
206. 1.371 × 105
238. 2.16 × 108
270. 7.616 × 101
302. 1.969 × 10-6
334.
1.838 × 101
207. 2.56 × 10-10
239.
271.
303. 2.424 × 101
335.
2.43 × 107
208. 9.03 × 104
240. 4.2 × 10-6
304. 2.097 × 109
336.
3.571 × 10-5
8.226 × 10
305. 5.34 × 10-1
3.66 × 1012
2.22 × 10-5
3.692 × 106
272. 1.333 × 10
-5
1.646 × 10
273.
5
209. 7.744 × 10
241.
210.
24
5.789 × 10
242. 2.479 × 10
211.
1.8 × 10-1
212.
5.6 × 10-5
213.
1.196 × 100
214.
2.568 × 10
246. 2.148 × 10
278. 1.833 × 10
215.
3.185 × 10
247. 6 × 10
279.
216.
1.686 × 10
248. 1.581 × 10
217.
3.797 × 10-13
218.
219.
3
337.
8.55 × 10-2
274. 1.948 × 10
2
306. 2.765 × 10
338.
3.536 × 100
243. 5.47 × 10-8
275.
7.416 × 105
307. 5.383 × 1010
339.
1.151 × 10-3
244. 9.897 × 102
276. 2.846 × 104
308. 3.581 × 10-11
340. 7.26 × 10-5
245.
277.
-2
5
9.325 × 10-11
2
6.6 × 10-1
309. 5.52 × 10-4
341.
-2
310.
3.3 × 104
342. 3.78 × 10-3
1
311.
1.856 × 10-1
343.
8.14 × 10-1
280. 9.887 × 10
312.
1.414 × 10
344.
5.834 × 108
249. 1.563 × 10-26
281.
3.08 × 107
313.
1.12 × 1011
345.
1.96 × 10-2
3.083 × 10-6
250. 7.527 × 106
282. 1.418 × 10-1
314.
1.033 × 104
346.
3.3 × 10-1
5.556 × 10-8
251.
283. 1.242 × 102
315.
1.938 × 109
347.
6.365 × 100
284. 1.198 × 10
348. 3.76 × 10-1
-6
0
5
220. 1.296 × 10
-3
-3
5.957 × 10-9
252. 1.312 × 10
11
3.231 × 10
34
-14
5
6
11
316.
7.6 × 10-8
-1
9.603 × 105
6.656 × 10
253.
9.004 × 10
285. 2.857 × 10
317.
1.217 × 104
349.
11
222. 1.575 × 10
254.
4
4.851 × 10
0
286. 5.782 × 10
318.
1.529 × 10
350. 1.86 × 105
223. 2.75 × 10-1
255.
9.459 × 101
287. 2.182 × 102
319.
2.2 × 102
351.
7.848 × 103
224. 2.743 × 1011
256.
6.087 × 10-10
288. 3.2 × 10-2
320. 4.125 × 103
352.
9.96 × 10-3
225. -4.982 × 101
257.
1.952 × 10-11
289. 10 × 10
321.
353.
3.375 × 10-3
-4
226. 1.085 × 10
-3
221.
8
4
3
0
1.792 × 101
1.081 × 10-2
-7
258. 8.543 × 10
290. 4.791 × 10
227. 8.82 × 10
259.
6
291.
228. 4.32 × 109
260. 4 × 10-7
229. 5.905 × 1029
261.
230. 1.068 × 10-2
262. 3.478 × 1012
294. 1.452 × 1010
326. 1.386 × 1011
358. 5.72 × 109
231.
263. 2.15 × 10
295.
327.
359. 3.438 × 108
4.68 × 10
2
1.043 × 10
4.667 × 10-2
-2
-6
232. 2.333 × 10
264. 4.828 × 10
233.
6
265.
8.316 × 10
4
10 × 10
0
15
322. 2.53 × 102
354.
2.035 × 107
17
2.383 × 10
355.
2.122 × 103
292. 5.74 × 100
324. 2.978 × 108
356.
1.55 × 10-2
293.
325.
357.
2.042 × 105
2.308 × 10
9
2.345 × 102
7.787 × 10
-10
323.
4.455 × 10-7
7.143 × 104
2
296. 6.586 × 10
328. 3.806 × 10-4
297.
-9
329.
5.429 × 10
1.35 × 10
4
234. 1.98 × 10
266. 6.66 × 10
298. 1.92 × 10
330. 5.327 × 10-3
235.
267. 1.57 × 105
299.
331.
4
202
9.292 × 10-4
4
-5
8.226 × 10-1
4.8 × 1010
360. 7.241 × 106
Answer
Solving Absolute Value Equations
Chapter 3: Solving Absolute Value Equations
1.
{20, -20}
2.
{12, 4}
3.
{10, -10}
4.
{4, -4}
5.
{6, -6}
6.
{8, -8}
7.
{25, -25}
8.
{4, -10}
9.
{8, 4}
35. {18, 0}
36.
37. {-3, -9}
11.
{-2, 2}
12.
{4, -22}
13.
{45, -45}
14.
{16, 2}
15.
{-10, 10}
16.
{20, -8}
17.
{28, -28}
18.
{6, -6}
19.
{-7, -13}
20. {13, 5}
{20, -20}
39.
41.
42.
43. {2, -6}
44.
45.
46. {6, -8}
47. {-1, 2}
48. {7, -3}
22. {5, -23}
49.
23. {23, -5}
50. {3, 7}
24. {10, -10}
25. {-7, 7}
28. {-1, 1}
30. {10, -10}
32.
33.
60. {-2, 6}
}
85.
86.
61.
87.
62.
63. {-4, 12}
64.
88.
89. {-2, 4}
65. {-1, -5}
90. {9, -11}
66.
91.
67. {2, 4}
68.
{2, -2}
92. {3, -3}
93. {4, -4}
94. {3, -3}
69. {10, -7}
95. {6, -6}
96. {3, -3}
70.
97. {6, -6}
71.
72. {6, -10}
73. {0, 1}
74.
98. {28/3,
20/3)
99. {1, -1}
100. {3, -3}
101. {5, -5}
51.
102. {7, -7}
103. {8, -8}
104. {8, -8}
76.
105. {9, -9}
77. {0, 6}
106. {1, -1}
54. {-10, 12}
78.
107. {1, -1}
55.
79. {4, -2}
53.
29. {12, -12}
{-2,
59.
52.
27. {5, -5}
56.
57.
80.
81.
82.
113. {5, -5}
84. {-20, 0} 114. {8, -8}
75.
26. {8, 4}
31.
83. {5, -7}
58.
38.
40. {-5, -9}
10. {1, -11}
21.
34.
108. {10, -10}
109. {4, -4}
110. {7, -7}
{-6, 4}
111.
{7, -7}
112. {9, -9}
147. {20, -28} 181. {4, 2}
148. {6, -6}
182. {22, -10}
115. {3, -3}
149. {1, -1}
183. {2, -2}
116. {5, -5}
150. {17, 1}
184. {10, -18}
117. {4, -4}
151. {6, -6}
185. {9, -11}
118. {9, -9}
152. {-8, -10}
186. {9, -7}
119. {7, -7}
153. {6, -6}
187. {5, -3}
120. {1, -1}
154. {6, -6}
188. {3, -19}
121. {4, -4}
155. {-10, 10}
189. {7, 1}
122. {2, -2}
156. {13, -1}
190. {-9, 9}
123. {2, -2}
157. {11, 3}
124. {5, -5}
158. {6, -6}
191.
125. {8, -8}
159. {3, -3}
192.
126. {4, -4}
160. {31, -39}
127. {9, -9}
161. {-3, 3}
193. {-12, 20}
128. {1, -1}
162. {-3, 3}
129. {7, -7}
163. {22, -4}
130. {4, -4}
164. {6, -6}
131. {8, -8}
165. {7, 5}
132. {10, -10}
166. {29, -31}
133. {3, -3}
167. {-5, -15}
134. {6, -6}
168. {6, -14}
198. {1, 3}
135. {4, -4}
169. {17, 3}
199. {2, -3}
136. {1, -1}
170. {8, 0}
200. {6, 2}
137. {6, -6}
138. {1, -1}
171. {30, -40} 201. {-11, 5}
202. {-20, 28}
172. {18, 0}
139. {10, -10}
173.
140. {3, -3}
141. {10, -10}
142. {-8, 8}
174. {5, -17}
175.
194.
195.
196.
197.
203. {7, -4}
204. {1, 3}
205.
143. {15, -9}
176. {-1, 1}
206.
144.
177. {3, -3}
207.
145.
178. {-4, -16}
179. {19, 1}
146. {29, -43} 180. {-1, -9}
208. {7, -1}
209.
203
Answer
Solving Absolute Value Equations
Quadratic equations
237.
210. {5, -8}
224.
211.
225. {-4, 10}
226. {15, -9}
212.
213.
214. {-5, 3}
215. {-4, 1}
216.
217. {-2, -4}
238.
251. {11, -8}
263. {18, -6}
239. {6, 3}
252.
228. {-7, -9}
240.
253.
229.
241.
230.
219. {3, -11}
233.
243. {1, -4}
244. {-8, 9}
245.
246.
223.
249.
289.
276. {0, 4}
290. {7, -1}
277.
291. {11, -9}
292. {6, 3}
266.
279.
294.
267.
280.
295.
281.
296. {-1, -5}
270.
271.
272. {13, -4}
261.
275.
288. {4, 0}
278.
269.
260. {17, -9}
274. {3, 0}
265.
268.
259.
248.
236.
256.
258. {4, -3}
247.
235.
255.
257.
234.
221.
264.
254.
242.
231.
232.
222.
262.
227. {-9, -3}
218.
220.
250.
273.
282. {-1, -3}
293.
297.
283.
298. {-2, -8}
284.
299.
285. {4, 6}
300.
286. {-8, 4}
287.
Chapter 4: Quadratic equations
1.
{-1, -9}
2.
{3, -13}
3.
{14, 4}
4.
{12, 4}
5.
{11, 5}
6.
{1, -7}
7.
{2, -4}
8.
{20, -2}
9.
{19, -3}
10. {3, -15}
11.
204
{-3, -9}
12.
{11, 7}
23. {8, 4}
34. {5, -19}
13.
{8, -4}
24. {14, -6}
35. {9, -5}
14.
{-5, -9}
25. {11, -9}
36. {12, -6}
15.
{13, 3}
26. {11, -5}
37. {3, -11}
16.
{5, -7}
27. {3, -17}
38. {-1, -11}
17.
{-5, -11}
28. {6, -8}
39. {3, -21}
18.
{16, -4}
29. {-3, -5}
40. {12, -2}
19.
{6, -16}
30. {-4, -6}
41.
20. {-2, -18}
31.
{-4, -8}
42. {12, 2}
21.
32. {22, -4}
43. {6, -4}
33. {1, -21}
44. {13, -7}
{16, -2}
22. {19, -1}
{9, -3}
45. {20, -4}
46. {-7, -9}
47. {14, 2}
48. {5, -1}
49. {16, 2}
50. {6, 2}
51.
{-4, -14}
52. {-3, -13}
53. {5, -3}
54. {11, 9}
55. {8, 6}
56. {-7, -11}
67. {18, -4}
57. {9, 7}
68. {5, -17}
58. {6, -10}
69. {1, -19}
59. {4, -12}
70. {11, -3}
60. {16, -6}
71.
61.
72. {-8, -10}
{-2, -8}
{7, -9}
62. {15, -5}
73. {13, -1}
63. {13, -3}
74. {23, -3}
64. {24, -4}
75. {4, 2}
65. {5, -15}
76. {15, 3}
66. {2, -10}
77. {11, 3}
Answer
Quadratic equations
78. {-1, -7}
110. {-3, -7}
142. {10, 6}
174. {-1, -19}
206. {20, -4}
238. {-1, -5}
270. {3, 1}
79. {18, 2}
111.
175. {6, -10}
207. {12, -4}
239. {-5, -7}
271. {7, -9}
208. {17, -5}
240. {-6, -8}
272. {11, -1}
273. {-4, -8}
{7, 1}
143. {5, -15}
80. {7, -13}
112. {13, -5}
144. {7, -3}
81.
113. {17, 1}
145. {15, -1}
177. {6, 2}
209. {12, 2}
241. {12, 6}
82. {9, 1}
114. {-5, -15}
146. {-1, -3}
178. {-4, -14}
210. {6, 2}
242. {-4, -10}
274. {2, -8}
83. {2, -16}
115. {-2, -14}
147. {-4, -10}
179. {1, -3}
211. {15, 3}
243. {10, 6}
275. {6, -8}
84. {2, -12}
116. {17, -5}
148. {6, -2}
180. {18, 2}
212. {9, -5}
244. {7, -5}
276. {6, -10}
85. {15, -3}
117. {23, -3}
149. {21, -1}
213. {5, -17}
245. {2, -10}
277. {3, -13}
86. {-4, -10}
118. {9, 5}
150. {19, -1}
214. {5, -3}
246. {1, -13}
278. {10, 2}
87. {-2, -4}
119. {8, -4}
151. {-3, -17}
183. {-2, -6}
215. {5, -11}
247. {-2, -6}
279. {6, -12}
88. {5, -13}
120. {12, 2}
152. {4, -2}
184. {6, 4}
216. {3, -11}
248. {15, -3}
280. {5, 1}
89. {-4, -16}
121. {8, -10}
153. {-3, -15}
185. {1, -21}
217. {10, -6}
249. {10, 8}
281.
90. {-6, -12}
122. {2, -8}
154. {11, 1}
186. {11, -1}
218. {-5, -13}
250. {13, 3}
282. {7, -13}
219. {-2, -8}
251. {-1, -13}
283. {9, -11}
284. {10, 4}
{8, -12}
176. {-2, -4}
181. {7, -1}
182. {8, 6}
{-1, -7}
123. {-2, -16}
155. {10, 2}
92. {4, -14}
124. {12, 4}
156. {8, -6}
188. {18, -4}
220. {19, -1}
252. {-7, -11}
93. {-6, -8}
125. {3, -13}
157. {-5, -11}
189. {-1, -5}
221. {15, -5}
253. {-7, -9}
285. {11, 1}
94. {1, -15}
126. {7, -9}
158. {11, -5}
190. {-7, -11}
222. {21, -3}
254. {8, 6}
286. {2, -16}
95. {7, -5}
127. {2, -16}
159. {1, -13}
191. {-3, -11}
223. {8, -10}
255. {15, 1}
287. {-5, -15}
96. {2, -14}
192. {4, -12}
224. {9, 5}
256. {13, -5}
288. {13, 1}
225. {4, -16}
257. {-1, -3}
289. {-1, -9}
290. {1, -19}
91.
{-5, -13}
187. {4, -24}
128. {7, -13}
160. {2, -4}
97. {-6, -10}
129. {5, -9}
161. {3, -19}
98. {6, -14}
130. {2, -20}
162. {10, 8}
194. {9, 7}
226. {11, 3}
258. {14, -4}
99. {-2, -12}
131. {-6, -8}
163. {9, 3}
195. {-2, -18}
227. {8, 2}
259. {1, -9}
291. {6, -16}
100. {-1, -9}
132. {-7, -9}
164. {8, 2}
196. {5, 1}
228. {-2, -18}
260. {-3, -11}
292. {14, -6}
101. {15, -5}
133. {-5, -7}
165. {10, -8}
197. {-5, -13}
229. {5, -1}
261. {-3, -15}
293. {8, -4}
102. {4, -18}
134. {-1, -17}
166. {7, 5}
198. {10, -2}
230. {7, -3}
262. {5, -15}
294. {8, -2}
103. {12, -8}
135. {-2, -12}
167. {6, -12}
231. {2, -12}
263. {-2, -14}
295. {-1, -11}
104. {1, -9}
136. {3, 1}
168. {6, -16}
200. {13, -1}
232. {10, -8}
264. {14, -2}
296. {2, -4}
105. {-1, -13}
137. {9, -5}
169. {15, 5}
201. {7, 5}
233. {-5, -11}
265. {12, -8}
297. {1, -15}
106. {6, -14}
138. {8, 4}
170. {13, -1}
202. {1, -21}
234. {7, -1}
266. {-2, -12}
298. {11, 3}
107. {6, -8}
139. {1, -7}
171. {10, -6}
203. {-2, -10}
235. {-3, -5}
267. {8, -12}
299. {3, -21}
108. {4, -10}
140. {17, -3}
172. {14, 4}
236. {12, -2}
268. {-8, -12}
300. {-3, -15}
109. {4, -22}
141. {5, -1}
173. {24, -4}
237. {-1, -15}
269. {-7, -13}
193. {13, -7}
199. {6, -14}
204. {3, -17}
205. {17, -1}
205
Answer
Solving Quadratic Equation using the Formula
Systems of Linear Equations
Chapter 5: Solving Quadratic Equation using the Formula
1.
{8, -10}
2.
{11, -8}
19.
20.
3.
21.
4.
{6, -8}
5.
{5, -8}
6.
{-3, -9}
7.
{5, -6}
8.
{5, -12}
9.
{9, 2}
{7, -4}
38. {11, -9}
39. {-1, -6}
40. {5, -13}
23. {6, 3}
41.
24. {4, -1}
25. {5, 3}
26. {8, -7}
{4, -9}
13.
{11, -3}
30. {1, -11}
48.
14.
{6, -3}
49. {2, -3}
15.
{12, -8}
31.
50. {6, -4}
32. {3, -2}
51.
33. {4, -1}
18.
{7, -19}
34. {5, -2}
66.
78. {3, -4}
89. {7, -14}
67.
80.
68.
81.
69.
82.
79. {8, -4}
61.
73.
93. {13, -10}
94. {3, -2}
95.
84.
96.
85.
97.
74. {8, -11}
63.
86.
75.
64.
98. {4, -8}
99. {8, -12}
87.
76.
{3, -7}
92.
83.
72. {-2, -3}
62.
90.
91.
71.
53. {4, -6}
35. {11, -6}
88.
70. {-1, -5}
60.
{7, -6}
52. {6, -2}
77.
57.
46. {2, -9}
47. {2, -4}
{10, -8}
56.
59.
29.
17.
55. {5, -4}
43. {7, -16}
12.
16.
65.
58. {5, -1}
45. {5, -11}
28. {6, -2}
54.
42. {3, -6}
44. {11, -6}
27. {4, -2}
{12, -5}
36. {1, -2}
37.
22.
10. {16, -8}
11.
{12, -2}
100.
Chapter 6: Systems of Linear Equations
1.
(-3, 4)
10. (-5, -3)
20. (3, -2)
30. (6, -5)
40. (2, 3)
50. (1, -2)
60. (3, -2)
70. (-6, -7)
2.
(4, -2)
11.
(-2, -6)
21.
31.
41.
51.
61.
71.
3.
(9, 4)
12.
(9, -8)
22. (9, -3)
32. (8, -9)
42. (-5, -6)
52. (-8, 1)
62. (6, 3)
72. (1, -2)
4.
(-3, -5)
13.
(-5, -2)
23. (-1, -5)
33. (8, 6)
43. (8, 4)
53. (-5, -8)
63. (4, 5)
73. (-8, 3)
64. (-8, 6)
74. (-9, -9)
(2, -3)
(-7, 8)
(-9, 2)
(1, -4)
(-6, 5)
(1, -5)
5.
(4, 4)
14.
(2, 2)
24. (5, 3)
34. (2, -1)
44. (7, -2)
54. (-3, 8)
6.
(-3, 2)
15.
(1, -6)
25. (-3, -1)
35. (5, 8)
45. (-6, -1)
55. (4, -9)
65. (-1, 8)
75. (1, 2)
7.
(9, -6)
16.
(9, -4)
26. (4, -9)
36. (6, -8)
46. (-7, -1)
56. (7, -9)
66. (-6, -6)
76. (-1, 4)
8.
(-2, -2)
17.
(-3, -6)
27. (7, 6)
37. (6, 2)
47. (1, 4)
57. (9, 1)
67. (-8, 7)
77. (-3, -3)
9.
(-1, 5)
18.
(6, -4)
28. (-4, 2)
38. (1, 1)
48. (6, -3)
58. (-9, 3)
68. (-4, 9)
78. (9, 5)
19.
(8, -8)
29. (4, 5)
39. (-9, 6)
49. (-1, -5)
59. (2, 8)
69. (-6, -8)
79. (-9, -9)
206
Answer
Systems of Linear Equations
80. (-4, 2)
115. (5, 3)
150. (-1, 1)
185. (4, 1)
220. (1, 7)
255. (5, -2)
290. (-6, -2)
81.
(3, -6)
116. (8, -7)
151. (-9, 8)
186. (3, 8)
221. (2, 8)
256. (-2, 1)
291. (-5, -3)
82. (7, 7)
117. (6, 6)
152. (-8, 1)
187. (9, 5)
222. (-9, -4)
257. (8, 9)
292. (-2, 7)
83. (3, 1)
118. (-1, 2)
153. (8, -5)
188. (8, -5)
223. (4, 1)
258. (-2, -2)
293. (7, -4)
84. (5, -8)
119. (-3, 7)
154. (9, -1)
189. (-6, -8)
224. (-1, 8)
259. (2, 3)
294. (-6, 1)
85. (9, -7)
120. (-3, 8)
155. (4, -6)
190. (3, -3)
225. (3, -5)
260. (6, -1)
295. (1, -4)
86. (1, -6)
121. (-6, 9)
156. (3, -6)
191.
226. (2, 1)
261. (-1, -6)
296. (6, -8)
87. (-5, 1)
122. (1, 5)
157. (-5, -2)
192. (-7, 1)
227. (2, -6)
262. (-8, 9)
88. (-1, 4)
123. (7, 2)
158. (9, -1)
193.
(-8, 9)
228. (-2, 3)
263. (-7, -2)
89. (-7, -3)
124. (-9, 6)
159. (-9, -5)
194.
(-9, -9)
229. (1, 4)
264. (8, -3)
90. (5, -7)
125. (2, 2)
160. (7, -3)
195.
(-6, -9)
230. (-6, 1)
265. (2, 9)
91.
(4, 8)
126. (5, 9)
161. (1, -2)
196.
(-2, 3)
231. (-1, -1)
266. (5, -5)
92. (1, 2)
127. (7, 6)
162. (-3, -2)
197.
(8, -6)
232. (8, 2)
267. (7, -9)
93. (-1, -2)
128. (2, 7)
163. (9, 6)
198. (4, -3)
233. (9, 6)
268. (3, 9)
94. (7, -5)
129. (6, 6)
164. (-8, -6)
199.
(4, 6)
234. (2, -5)
269. (-1, 9)
95. (4, 9)
130. (-7, -1)
165. (3, 4)
200. (7, 1)
235. (4, -2)
270. (-3, 3)
96. (7, -4)
131. (-1, -1)
166. (5, 8)
201. (2, -2)
236. (-6, -4)
271. (3, 2)
97. (9, -5)
132. (-3, 1)
167. (-3, -6)
202. (-8, 8)
237. (3, 7)
272. (-6, 5)
98. (6, 5)
133. (-5, 4)
168. (3, -6)
203. (-7, 9)
238. (-2, 1)
273. (-2, 2)
99. (2, 2)
134. (6, 1)
169. (8, -1)
204. (-5, -7)
239. (-7, -1)
274. (-4, 4)
100. (8, -9)
135. (4, -4)
170. (5, 8)
205. (-8, -8)
240. (2, 6)
275. (-3, -8)
101. (4, 8)
136. (3, -7)
171. (-7, 4)
206. (-4, -2)
241. (-1, 9)
276. (2, 8)
102. (4, 4)
137. (3, 2)
172. (5, -4)
207. (-5, -2)
242. (7, 8)
277. (7, -1)
103. (9, -5)
138. (6, 1)
173. (2, 9)
208. (4, 7)
243. (8, 8)
278. (-2, 9)
104. (-5, 9)
139. (5, 1)
174. (-2, -3)
209. (-7, -8)
244. (-7, 7)
279. (-9, 3)
105. (-8, 9)
140. (6, 4)
175. (1, 5)
210. (2, 5)
245. (5, -4)
280. (8, -3)
106. (6, 2)
141. (-4, 4)
176. (3, 7)
211.
(9, -7)
246. (-6, -6)
281. (-9, 1)
107. (-4, 5)
142. (-1, 3)
177. (4, 6)
212. (-3, -7)
247. (-9, -2)
282. (8, 1)
108. (1, 6)
143. (1, 2)
178. (9, -3)
213. (3, -5)
248. (-3, -9)
283. (-6, -3)
109. (-9, -4)
144. (1, 5)
179. (-2, 2)
214. (2, -6)
249. (4, 7)
284. (-9, -9)
110. (-1, 8)
145. (9, -1)
180. (-3, -5)
215.
250. (6, -7)
285. (9, -6)
111.
(-1, 9)
146. (6, -8)
181. (-6, -3)
216. (3, -3)
251.
286. (5, 6)
112. (-1, 4)
147. (-3, -6)
182. (9, 1)
217. (1, -7)
252. (-5, -4)
287. (-6, -2)
113. (1, -8)
148. (6, 6)
183. (4, -9)
218. (4, 6)
253. (4, 9)
288. (4, 9)
114. (8, -1)
149. (6, -2)
184. (5, -7)
219. (-6, -3)
254. (-3, -1)
289. (3, 2)
(-4, 1)
(3, -2)
(-8, 9)
207