Algebra 2
Fall 2010
Answers to the First Semester Review
Simplify or Evaluate
1.
2.
3.
4.
24
5.
40
6.
7.
21
8.
24
9.
30
24
Find the Domain and Range
10.
Domain: {1, 4, -3, -10, 0} Range: {5, 8, -8, 4, 6}
11.
Domain:
Range:
12.
Domain:
Range:
13.
Domain:
Range:
14.
Domain:
Range:
15.
Domain:
Range:
16.
Domain:
Range:
Tell whether the relation is a function or not.
17.
Yes
18.
Yes
19.
No
20.
Yes
21.
Yes
22.
No
23.
No
24.
Yes
x = -10
26.
X = 32
27.
X = -12
Solve
25.
28.
29.
31.
30.
32.
34.
35.
33.
36.
Use the functions below to answer 37-43.
37.
-7
40.
43.
38.
41.
-29
Matrices
-53
39.
42.
A. (2, 3)
b. 4
44.
Not Possible
45.
47.
Not Possible
48.
46.
Not Possible
Factor Completely
49.
50.
51.
52.
53.
54.
55.
56.
Graph 57-62
Quadratics 63-66:
63.
Vertex: (0, -2)
Axis of Symmetry: x = 0
Y-Intercept: (0, -2)
Reflection of Y-Intercept: none
Domain:
Range:
64.
Vertex: (0, 1)
Axis of Symmetry: x = 0
Y-Intercept: (0, 1)
Reflection of Y-Intercept: none
Domain:
Range:
65.
Vertex: (3, 2)
Axis of Symmetry: x = 3
Y-Intercept: (0, -7)
Reflection of Y-Intercept: (6, -7)
Domain:
Range:
66.
Vertex: (-5, -3)
Axis of Symmetry: x = -5
Y-Intercept: (0, 2)
Reflection of Y-Intercept: (-10, 2)
Domain:
Range:
Write the equation given by the description or the graph:
67.
68.
69.
70.
71.
72.
73.
74.
Find the X and Y intercepts:
75.
X
Y
(-2, 0) and (3, 0)
((0, 6)
76.
X
Y
(-1, 0) and (-4, 0)
(0, 4)
77.
X
Y
(-1.5, 0) and (9.6, 0)
(0, 15)
79.
X
(0, 2)
Y
78.
X
Y
84.
One
(-3, 0) and (1, 0)
(0, 6)
(-2.5, 0)
Write the function with the given roots:
80.
81.
Systems of equations:
82.
None, Parallel
83.
One
85.
None, Parallel
86.
220 adult tickets were sold
87.
$79.25
88.
46 movies and 52 cd’s
89.
x = 1, y = 2, z = -1
90.
X = 1.14, y = -2.29, z = 2.14
91.
Perpendicular
92.
Neither
93.
Rate of change =
9
10
Graph and state the following:
94.
Axis of symmetry: x = 0
Vertex: (0, 1)
Y-intercept: (0, 1)
Symmetric point: none
Roots: no real roots
95.
Axis of symmetry: x = 2
Vertex: (2, 16)
Y-intercept: (0, 12)
Symmetric point: (4, 12)
Roots: 6 and -2
96.
Axis of symmetry: x = 0
Vertex: (0, -3)
Y-intercept: (0, -3)
Symmetric point: none
Roots: No real roots
97.
Axis of symmetry: x = 2
Vertex: (2, 3)
Y-intercept: (0, 7)
Symmetric point: (4, 7)
Roots: no real roots