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1. |
Name the multiplicative inverse of 5. |
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A. |
20 |
B. |
-5 |
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C. |
50 |
D. |
0.2 |
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Hint |
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2. |
Simplify 3(2a + b) + 6(a - 2b). |
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A. |
12a - 9b |
B. |
12a + 15b |
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C. |
12a + b |
D. |
12a + 9b |
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Hint |
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3. |
Given the function f(x) = x2 + 9, find f(-3). |
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A. |
0 |
B. |
12 |
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C. |
6 |
D. |
18 |
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Hint |
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4. |
Choose the scatter plot that has a prediction equation with a negative slope. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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5. |
Which equation describes graph A? |
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A. |
y = | 2.25x | |
B. |
y = | x - 1 | |
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C. |
y = 2.25x - 1 |
D. |
y = 2.25| x | - 1 |
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Hint |
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6. |
Solve the system of equations by graphing. 
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A. |
no solution |
B. |
infinitely many solutions |
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C. |
(-1, 7) |
D. |
(0, 3) |
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Hint |
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7. |
A feasible region has vertices at (4, 6), (-2, 3), (2, -2), and (3, 1). At which point is the maximum value of the function f(x, y) = 2x + y? |
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A. |
f(4, 6) |
B. |
f(3, 1) |
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C. |
f(-2, 3) |
D. |
f(2, -2) |
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Hint |
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8. |
Simplify  |
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A. |
3 |
B. |
9 |
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C. |
27 |
D. |
 |
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Hint |
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9. |
The focus of a parabola has coordinates (2, 3). The equation of the directrix is x = 0. Find an equation of the parabola. |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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10. |
Find the coordinates of the foci of an ellipse with equation  |
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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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11. |
Which value of c makes the trinomial x2 + 16x + c a perfect square? |
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A. |
256 |
B. |
128 |
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C. |
32 |
D. |
64 |
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Hint |
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12. |
Solve 9t2 - 15t + 4  0. |
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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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13. |
How many possible negative real zeros are there for the polynomial
g(x) = 2x4 + x3 - 4x + 1? |
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A. |
1 |
B. |
2 |
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C. |
3 |
D. |
5 |
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Hint |
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14. |
Which is the graph of a function and its inverse? |
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A. |
 |
B. |
 |
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C. |
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D. |
 |
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Hint |
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15. |
Simplify the expression 8 (a + 2b) – 7b + 6 (3a – b). |
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A. |
4a – 6b |
B. |
26a + 3b |
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C. |
152a – 88b |
D. |
26a – 6b |
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Hint |
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16. |
Graph the relation represented by y = x2 – x + 1. |
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A. |
 |
B. |
 |
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C. |
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D. |
 |
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Hint |
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17. |
 |
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A. |
4 |
B. |
–5 |
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C. |
5 |
D. |
1 |
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Hint |
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18. |
Given that  and  , what value would not be in the domain of  ? |
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A. |
3 |
B. |
0 |
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C. |
 |
D. |
 |
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Hint |
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19. |
Given that f(x) and g(x) are inverses, which of the following is true? |
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A. |
 |
B. |
is undefined |
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C. |
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D. |
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Hint |
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20. |
Write the standard form equation of  and identify the conic section. |
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A. |
 parabola |
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B. |
 hyperbola |
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C. |
 hyperbola |
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D. |
 ellipse |
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Hint |
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