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1. |
Find (c2 + 2c - 6)(c + 5). |
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A. |
c3 + 2c2 - 6c - 30 |
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B. |
c3 + 2c2 + 5 |
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C. |
c3 + 2c2 - 30 |
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D. |
c3 + 7c2 + 4c - 30 |
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Hint |
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2. |
Write the fourth root of 625. |
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A. |
 |
B. |
4(625) |
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C. |
5 |
D. |
6254 |
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Hint |
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3. |
Solve the system of equations.
x - y + 6 = 0
x2 + y2 = 16 |
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A. |
(4, 0) |
B. |
(1, 7),  |
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C. |
no solution |
D. |
(-2, 4) |
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Hint |
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4. |
What is the degree of the polynomial p(x) = 2x5 - 6x4 + 2x2 + 7x - 9? |
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A. |
3 |
B. |
5 |
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C. |
4 |
D. |
2 |
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Hint |
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5. |
If w varies directly as z and w = 9 when z = -6, find w when z = 3. |
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A. |
-4.5 |
B. |
0 |
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C. |
-2 |
D. |
4.5 |
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Hint |
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6. |
Solve 52n+3 < 25. |
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A. |
n > 1 |
B. |
 |
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C. |
n < -1 |
D. |
 |
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Hint |
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7. |
The formula for the perimeter of a rectangle is  , where  is the length of the rectangle and w is the width. If a rectangle is 17 ft long and 8 ft wide, what is its perimeter? |
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A. |
68 ft |
B. |
50 ft |
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C. |
42 ft |
D. |
25 ft |
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Hint |
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8. |
Solve the equation  |
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A. |
20 |
B. |
9 |
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C. |
 |
D. |
-1 |
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Hint |
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9. |
Write an equation in slope-intercept form for the line that has a slope of 2 and passes through (-4, -6). |
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A. |
y = 2x + 8 |
B. |
y = 2x - 8 |
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C. |
y = 2x - 2 |
D. |
y = 2x + 2 |
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Hint |
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10. |
Which graph represents the following system:  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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11. |
Which of the following cannot be true concerning Cramer's Rule for two variables? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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12. |
Two sides of an angle are contained in lines whose equations are 6x + 4y = 15 and 7x – 9y = 3. Find the coordinates of the vertex of the angle. Round to the nearest hundredth. |
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A. |
(–1.79, 1.06) |
B. |
(147, 87) |
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C. |
(–147, –87) |
D. |
(1.79, 1.06) |
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Hint |
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13. |
Simplify  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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14. |
Factor 4x2 – 5x – 6. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
(4x + 3)(x – 2) |
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Hint |
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15. |
Simplify:  if  |
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A. |
 |
B. |
 |
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C. |
Cannot be simplified further. |
D. |
 |
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Hint |
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16. |
In the expression q9 = p, what is the cube root of p? |
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A. |
 |
B. |
 |
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C. |
q6 |
D. |
q3 |
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Hint |
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17. |
In the equation  do you have to square both sides? |
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A. |
no |
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B. |
cannot be determined |
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C. |
yes, in order to isolate x |
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D. |
yes, in order to simplify. |
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Hint |
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18. |
Write the equation  in standard form. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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19. |
What type of function is  ? |
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A. |
absolute value function |
B. |
inverse variation function |
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C. |
direct variation function |
D. |
square root function |
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Hint |
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20. |
Two cities have insect problems. The insects in City A increase exponentially according to the equation y = 120,000e0.04t. The insects in City B increase exponentially according to the equation y = 90,000e0.08t. When will the cities have an equal amount of insects? |
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A. |
at t = 34.66 years |
B. |
at t = 7.89 years |
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C. |
at t = 3 years |
D. |
at t = 7.19 years |
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Hint |
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