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1. |
Which of the following sentences is true? |
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A. |
3x + 5 < x2 when x = 4. |
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B. |
 when x = 6. |
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C. |
 when x = 5. |
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D. |
 when x = 4. |
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Hint |
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2. |
State the additive inverse of -32. |
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A. |
-32 |
B. |
0 |
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C. |
1 |
D. |
32 |
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Hint |
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3. |
Find sin X. |
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 |
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A. |
8 |
B. |
0.8 |
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C. |
0.6 |
D. |
0.75 |
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Hint |
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4. |
Hamburger costs $1.50 per pound and soy costs $1.00 per pound. The school cafeteria uses 50 more pounds of soy than hamburger and spends $350 a week. How much soy does the school use? |
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A. |
170 pounds |
B. |
233 pounds |
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C. |
120 pounds |
D. |
350 pounds |
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Hint |
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5. |
State the inverse of the relation as a set of ordered pairs. |
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A. |
{(1, -2), (2, -1), (3, -1)} |
B. |
{(-1, 3), (-1, 2), (-2, 1)} |
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C. |
{(-2, -1), (-1, 2)} |
D. |
{(-1, 3), (-2, 1)} |
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Hint |
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6. |
Use the graph below to determine if the given system of equations has one solution, no solution, or infinitely many solutions. If the system has one solution, name it.
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A. |
infinitely many solutions |
B. |
no solution |
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C. |
one solution at  . |
D. |
one solution at (-6, 0) |
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Hint |
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7. |
Simplify (7a4b) (8a7b6). |
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A. |
56a28b6 |
B. |
56a11b7 |
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C. |
15a11b7 |
D. |
15a28b6 |
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Hint |
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8. |
Factor x2 + 5x + 6. |
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A. |
prime |
B. |
(x + 1)(x + 5) |
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C. |
(x + 2)(x + 3) |
D. |
(x + 1)(x + 6) |
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Hint |
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9. |
Factor x2 – 16. |
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A. |
(x + 4)(x + 4) |
B. |
(x – 4)(x – 4) |
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C. |
(x + 4)(x – 4) |
D. |
(x + 2)(x – 8) |
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Hint |
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10. |
Which is the graph of y = 2.5x? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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11. |
Identify the coordinates of point C. |
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A. |
(6, 4) |
B. |
(4, 6) |
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C. |
(2, 1) |
D. |
(5, 2) |
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Hint |
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12. |
Solve –14n = -112. |
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A. |
n = -1568 |
B. |
n = 8 |
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C. |
n = 1568 |
D. |
n = -8 |
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Hint |
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13. |
Solve  |
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A. |
 |
B. |
All Real Numbers |
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C. |
 |
D. |
No Solution |
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Hint |
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14. |
Write 7x = 4y – 6 in standard form. |
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A. |
7x – 4y = -6 |
B. |
y =  x +  |
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C. |
-7x + 4y = 6 |
D. |
x =  y -  |
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Hint |
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15. |
Write the slope-intercept form of an equation for a line that passes through (-1, 0) and is perpendicular to the graph of 3x – 5y = 20. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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16. |
Use graphing to solve the system of inequalities given by y < x + 1 and  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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17. |
Express 2.38 × 106 in standard notation. |
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A. |
238,000 |
B. |
2,380,000 |
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C. |
0.00000238 |
D. |
0.000000238 |
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Hint |
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18. |
Solve the equation x2 –  x +  = 0. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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19. |
Suppose the formula  represents the relationship between a plane's length L and the pounds P its wings can lift, where k is a constant of proportionality calculated for a plane. If its wings are 150 feet and k = 0.1669, what range of values are possible for weight? |
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A. |
greater than 3755 pounds |
B. |
less than 3755 pounds |
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C. |
greater than 134,811 pounds |
D. |
less than 134,811 pounds |
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Hint |
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20. |
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. |
Item A is greater. |
B. |
cannot be determined from given information |
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C. |
Item B is greater. |
D. |
Item A = Item B |
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Hint |
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