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1. |
Simplify (4x)(-2y). |
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A. |
2xy |
B. |
-8x - 8y |
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C. |
-8xy |
D. |
-8 + xy |
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Hint |
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2. |
Find the mean of {3, 8, 10, 1, 25}. |
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A. |
1 |
B. |
8 |
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C. |
9.4 |
D. |
9 |
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Hint |
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3. |
Which statement is best illustrated by the graph? |
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 |
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A. |
jogging |
B. |
walking up steps |
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C. |
driving on the highway |
D. |
driving through the city |
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Hint |
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4. |
Choose the slope-intercept form of the equation of the line that passes through (-2, 4) and is perpendicular to the graph of 2x + y = -20. |
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A. |
 |
B. |
y = 2x + 8 |
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C. |
y = -2x |
D. |
 |
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Hint |
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5. |
Simplify  Assume the denominator is not equal to zero. |
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A. |
5xy2 |
B. |
 |
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C. |
1 |
D. |
5xy8 |
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Hint |
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6. |
Find the equation of the axis of symmetry of the graph of
y = 2x2 - 8x + 5. |
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A. |
x = 4 |
B. |
x = -4 |
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C. |
x = 2 |
D. |
x = -2 |
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Hint |
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7. |
Find  . |
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A. |
 |
B. |
 |
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C. |
 |
D. |
2 |
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Hint |
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8. |
Express  in simplest form. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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9. |
Find  . |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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10. |
Translate the sentence into an equation. Four times the number n is equal to twice the sum of q and r. |
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A. |
4n = 2q + r |
B. |
4n = 2(q + r) |
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C. |
4n = q + r |
D. |
4n = 2(q – r) |
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Hint |
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11. |
Solve 11b = 132. |
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A. |
b = -1452 |
B. |
b = 12 |
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C. |
b = -12 |
D. |
b = 1452 |
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Hint |
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12. |
Select the linear equation. |
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A. |
y = -5x + 1 |
B. |
3xy – 2y = 7 |
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C. |
5x2 + 2y2 = 1 |
D. |
 = -2 |
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Hint |
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13. |
Suppose y varies directly as x, and y = -65 when x = -26. Write a direct variation equation that relates x and y. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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14. |
What is implied when it is said that x and y have no correlation? |
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A. |
When the value of x increases, the value of y does not necessarily increase or decrease. |
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B. |
When the value of x increases, the value of y increases. |
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C. |
When the value of x decreases, the value of y decreases. |
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D. |
When the value of x increases, the value of y decreases. |
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Hint |
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15. |
A boat travels 30 miles upstream in 4 hours. The trip downstream takes 2.5 hours. Find the rate of the boat in still water. |
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A. |
2.25 mph |
B. |
9.23 mph |
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C. |
6.92 mph |
D. |
9.75 mph |
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Hint |
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16. |
Find (–2x2 + 5x – 1) – (3x2 – 4x – 6). |
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A. |
–5x2 + 9x + 5 |
B. |
–5x2 + x – 7 |
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C. |
–5x2 + 9x – 7 |
D. |
–5x2 + x + 5 |
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Hint |
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17. |
Which of the following equations will have exactly 1 real root? |
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A. |
2x2 + 5x – 16 |
B. |
9x2 + 12x – 4 |
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C. |
4x2 – 8x + 4 |
D. |
x2 – 6x – 9 |
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Hint |
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18. |
What is the area of a square whose sides measure  meters? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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19. |
Consider two items. Item A is the length of a side of a right triangle whose hypotenuse is 30 and whose other side is 24. Item B is the length of the hypotenuse of a right triangle whose legs have lengths of 12 and 15. What is true? |
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A. |
cannot be determined from given information |
B. |
Item A is greater. |
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C. |
Item B is greater. |
D. |
Item A = Item B |
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Hint |
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20. |
State the excluded value(s) of  . |
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A. |
–4 |
B. |
 , 2 |
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C. |
–4, , 2 |
D. |
–4, 3, 2 |
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Hint |
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