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1. |
Solve x + 4 > 1 or x - 7 < 6. |
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A. |
{x | x > -3} |
B. |
{x | x < 13} |
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C. |
all reals |
D. |
{x | x < -3 or x > 13} |
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Hint |
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2. |
Write an equation of the line that passes through (10,-4) and is perpendicular to the line whose equation is  |
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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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3. |
Use the elimination method to solve the system of equations. 
|
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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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4. |
Find the value of  |
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A. |
-2 |
B. |
0 |
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C. |
14 |
D. |
2 |
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Hint |
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5. |
What is the degree of 42x5y2z? |
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A. |
5 |
B. |
7 |
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C. |
8 |
D. |
2 |
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Hint |
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6. |
Simplify  |
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A. |
k17 |
B. |
k-3 |
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C. |
k3 |
D. |
 |
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Hint |
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7. |
Use synthetic division to find
(4x3 + 13x2 - 2x -15) ÷ (x + 3). |
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A. |
x2 + x - 5 |
B. |
4x - 5 |
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C. |
4x2 + x + 5 |
D. |
4x2 + x - 5 |
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Hint |
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8. |
Find  |
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A. |
81y |
B. |
9|y3| |
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C. |
9y2 |
D. |
9y |
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Hint |
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9. |
Simplify  |
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A. |
3 |
B. |
9 |
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C. |
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D. |
27 |
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Hint |
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10. |
Which is the graph of the inequality y < x2 -2x - 8? |
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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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11. |
Identify the multiplicative inverse of 2.5. |
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A. |
0.4 |
B. |
5.2 |
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C. |
0.25 |
D. |
0.5 |
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Hint |
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12. |
Solve 6z > 39. |
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A. |
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B. |
{z | z < 234} |
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C. |
{z | z > 234} |
D. |
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Hint |
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13. |
A line of fit is drawn on a scatter plot showing the number of pets owned by automobile owners and the number of miles driven each month. What would probably be the best description of the slope of this line? |
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A. |
negative |
B. |
zero |
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C. |
positive |
D. |
undefined |
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Hint |
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14. |
Solve the system of equations. –2x + 3y = 7
4x – 6y = 8. |
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A. |
y = –22, x = –36.5 |
B. |
y = –22, x = –31 |
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C. |
no solution |
D. |
y = –22, x = 29.5 |
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Hint |
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15. |
Suppose  has vertices A(3, 4), B(-2, 1) and C(2, –3). Dilate so that its perimeter is one-fourth the original perimeter. What are the coordinates of the vertices 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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16. |
Solve 2.4x + 1.7y = 8.2, 3.8x – 0.8y = 5.3. Round to the nearest hundredth. |
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A. |
(1.86, 2.20) |
B. |
(–1.86, 2.20) |
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C. |
(–1.86, –2.20) |
D. |
(1.86, –2.20) |
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Hint |
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17. |
Find  |
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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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18. |
Solve  |
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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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19. |
In the equation  do you have to square both sides? |
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A. |
cannot be determined |
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B. |
yes, in order to isolate x |
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C. |
no |
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D. |
yes, in order to simplify. |
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Hint |
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20. |
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. |
-2 and –14 |
D. |
-4 |
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Hint |
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