Unit Circle

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Algebra I Quiz #7 (5.1-5.3) –Review
Name
Block/Date
Directions: Complete the following, simplify all answers, and show work where appropriate.
Good Luck!!
Multiple Choice: Circle the best possible answer.
1. What is the solution to the following system:
A. (-1, 1)
B. (1, -1)
C. (-1, 2)
2. What is the solution to the following system:
A. (0, -4)
B. (-4, 0)
C. (1, 1)
x  3y  2
 x  2y  3
D. (2, -1)
13 x  5 y  8
3x  5 y  8
D. (-1, -1)
3. Solve the system and choose the true statement:
A.
B.
C.
D.
E. None of these
E. None of these
3 x  5 y  8
x  2y  1
The value of x is greater than y
The value of y is greater than x
The values of x and y are equal
None of the above
4. Which ordered pair is a solution to the following system:
A. (0, 3)
B. (1, 2)
C. (2, 1)
x  2y  5
2x  y  4
D. (3, 0)
5. Which system is represented by the graph:
A.
C.
x y 3
y  x 1
x  2 y  2
3x  4 y  2
B.
D.
3x  2 y  11
x  6 y  7
x y 3
2x  y  6
6. Which linear system has the solution (6, 6)?
A.
3x  y  4
4x  3y  1
B.
4x  3y  0
2x  y  0
C.
4 x  3 y  1
2 x  y  3
D.
x  y  12
3x  2 y  6
7. Your math test is worth 110 points and has 40 problems. Each problem is worth either 5 points or 2
points. How many problems of each point value is on the test?
A. 5 points: 10
2 points: 46
B. 5 points: 46
2 points: 30
C. 5 points: 30
2 points: 10
8. Which ordered pair is a solution to the following system:
A. (4, 2)
B. (10, 4)
C. (4, 10)
D. 5 points: 10
2 points: 30
4 x  y  26
y  x6
D. (2, 4)
Graph the following system and find it’s solution. (Remember to check your answer!)
Hint: Put them in slope-intercept form if they aren’t already.
y  2x  1
9.
3
y   x6
2
Solution:
11.
y  x4
4 x  y  26
Solution:
10.
 x y 1
2 x  y  2
Solution:
Solve the following systems by substitutions. Remember to check your answers!!
12.
14.
8 x  2 y  19
x3
6 y  x  18
2y  x  6
13.
15.
x7
2x  y  5
4 x  3 y  13
x y 4
Solve the following systems by elimination. Remember to check your answers!! (4 pts ea)
18.
20.
4 x  3 y  16
2x  3y  8
2 x  3 y  4
 4 x  5 y  8
19.
21.
4x  2 y  2
3x  2 y  12
5e  4 f  9
4e  5 f  9
22.
m  2n  1
5m  3n  23
23.
x y 0
12 x  5 y  21
24. At the zoo, Jay bought 3 slices of vegetable pizza and 1 small lemonade for $5.40. Terri paid $4.80
for 2 slices of vegetable pizza and 2 small lemonades. What was the cost of the lemonade?
25. Your favorite math teacher, Mr. Kalkbrenner, is giving a test worth 150 points. There are 40 threepoint and five-point questions. How many of each are on the test?
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