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1. |
Graph the solution set of  |
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A. |
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B. |
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C. |
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D. |
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Hint |
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2. |
If g(x) = |x + 3|, find g(-7). |
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A. |
-7 |
B. |
10 |
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C. |
-4 |
D. |
4 |
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Hint |
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3. |
Use the elimination method to solve the system of equations. 
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A. |
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B. |
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C. |
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D. |
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Hint |
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4. |
Solve the system of equations. 
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A. |
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B. |
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C. |
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D. |
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Hint |
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5. |
A graph of a system of three linear equations in three variables is shown below. How many solutions does the system have? |
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A. |
0 |
B. |
1 |
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C. |
2 |
D. |
infinite number |
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Hint |
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6. |
Simplify  |
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A. |
13 |
B. |
±13 |
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C. |
-13 |
D. |
±84.5 |
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Hint |
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7. |
Solve m2 - 2m = 15 by factoring. |
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A. |
-5, 3 |
B. |
3 |
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C. |
-3, 5 |
D. |
5 |
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Hint |
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8. |
Find the axis of symmetry of the graph of f(x) = 4x2 -4x + 4. |
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A. |
x = 2 |
B. |
x =  |
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C. |
y = 3 |
D. |
x = 4 |
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Hint |
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9. |
Which equation is in quadratic form? |
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A. |
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B. |
x4 - x2 + x - 1 = 0 |
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C. |
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D. |
3x3 + 3x + 3 = 0 |
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Hint |
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10. |
Which pair of functions are inverses? |
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A. |
f(x) = 4x, g(x) = -4x |
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B. |
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C. |
f(x) = 2x + 1,
g(x) = 2x - 1 |
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D. |
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Hint |
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11. |
Which of the following systems of equations is not consistent and independent? |
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A. |
7y + x = 9 3y + 9x = 4 |
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B. |
y + 4x = 10 6y + 24x = 60 |
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C. |
–y – 5x = 1 4y + 3x = 8 |
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D. |
2y + 4x = 3 7y + 5x = 18 |
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Hint |
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12. |
In order for a matrix to have an inverse, what must be true? |
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A. |
ad – bc = 1 |
B. |
ad – bc  0 |
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C. |
ad – bc = 0 |
D. |
ad – bc 1 |
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Hint |
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13. |
Simplify  |
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A. |
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B. |
27x3ny6 |
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C. |
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D. |
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Hint |
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14. |
Factor 4x2 – 5x – 6. |
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A. |
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B. |
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C. |
(4x + 3)(x – 2) |
D. |
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Hint |
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15. |
Solve by graphing. |
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A. |
no real roots |
B. |
x = 0 |
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C. |
x = –2 |
D. |
x = 2 |
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Hint |
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16. |
Solve x2 + 8x + 16 = 36 by using the Square Root Property. |
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A. |
2 and –10 |
B. |
2 |
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C. |
-4 |
D. |
-2 and –14 |
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Hint |
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17. |
Find all zeros of  . |
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A. |
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B. |
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C. |
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D. |
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Hint |
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18. |
Given  and  , what is  ? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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19. |
Given that  and  , what value would not be in the domain of  ? |
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A. |
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B. |
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C. |
3 |
D. |
0 |
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Hint |
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20. |
If two functions f and g are inverse relations, which of the following points must be on graph g if it is on graph f ? |
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A. |
(1, 1) |
B. |
Cannot be determined from given information. |
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C. |
(-1, 1) |
D. |
(2, -2) |
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Hint |
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