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1. |
Solve 2x = -10. |
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A. |
x = 5 |
B. |
x = -5 |
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C. |
x = 8 |
D. |
x = -12 |
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Hint |
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2. |
Solve the equation 2a - b = ac + 3b for a. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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3. |
Solve the proportion  |
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A. |
2 |
B. |
 |
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C. |
1 |
D. |
-6 |
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Hint |
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4. |
Find the solution set for y = -2x if the domain is {-2, -1, 0, 5}. |
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A. |
{(-2, -4), (-1, -2), (0, 0), (5, 10)} |
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B. |
{(1, -2), (0.5, -1), (0, 0), (-2.5, 5)} |
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C. |
{(-4, -2), (-2, -1), (0, 0), (10, 5)} |
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D. |
{(-2, 4), (-1, 2), (0, 0), (5, -10)} |
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Hint |
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5. |
Which is the graph of the solution to the inequality
 |
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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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6. |
The sum of two numbers is 36. Twice the first number minus the second is 6. Find the numbers. |
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A. |
(30, 6) |
B. |
(42, 6) |
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C. |
(14, 22) |
D. |
(10, 26) |
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Hint |
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7. |
The area of the rectangle shown below is 4x3y2, and its base b is 2x5y. Find the height, h. |
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A. |
2x2y |
B. |
8x8y3 |
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C. |
 |
D. |
 |
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Hint |
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8. |
Evaluate  . Express the result in scientific notation. |
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A. |
80 × 10-8 |
B. |
8.0 × 10-9 |
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C. |
8.0 × 10-7 |
D. |
0.8 × 10-8 |
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Hint |
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9. |
Factor 4y2 – 3y – 1. |
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A. |
(4y – 1)(y + 1) |
B. |
(2y + 1)(2y – 1) |
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C. |
(4y + 1)(y – 1) |
D. |
prime |
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Hint |
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10. |
The vertex of the graph of the equation y = -x2 + 6x + 1 is |
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A. |
neither a maximum nor a minimum |
B. |
both a maximum and a minimum |
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C. |
a maximum |
D. |
a minimum |
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Hint |
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11. |
The Mendoza family just bought a house for $180,000. If the value of the house increases at a rate of 3% per year, about how much will it be worth in 10 years? |
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A. |
$250,000 |
B. |
$258,000 |
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C. |
$234,000 |
D. |
$242,000 |
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Hint |
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12. |
Simplify 12y + 8y. |
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A. |
20y |
B. |
4y |
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C. |
20y2 |
D. |
simplified |
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Hint |
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13. |
Draw a graph of the ordered pairs in the table. |
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 |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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14. |
Plot the point H(-2, 0) on a coordinate plane. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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15. |
A long distance phone company has a monthly fee of $7.95 and charges a rate of $0.05 per minute. Another long distance company has a monthly fee of $9.95 and charges a rate of $0.03 per minute. At how many minutes would the two companies have equal charges? |
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A. |
150 minutes |
B. |
100 minutes |
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C. |
They will never have the same charges. |
D. |
50 minutes |
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Hint |
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16. |
Use elimination to solve the system of equations given by 10x – 40y = 60 and 15x + 40y = -10. |
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A. |
(2, -1) |
B. |
(-14, -5) |
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C. |
no solution |
D. |
infinitely many solutions |
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Hint |
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17. |
Write a polynomial to represent the area of a square with a side x minus the area of a triangle with a base 2x and a height of 5. |
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A. |
x2 – 5x |
B. |
4x |
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C. |
x2 – 10x |
D. |
x2 – 2x + 5 |
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Hint |
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18. |
Use a graph to approximate 31.2. |
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A. |
0.27 |
B. |
5.4 |
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C. |
3.7 |
D. |
3.12 |
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Hint |
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19. |
Suppose that the geometric mean of two numbers is 48, and the first number is 12. What is the second number? |
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A. |
96 |
B. |
24 |
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C. |
84 |
D. |
192 |
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Hint |
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20. |
Using the figure, which expression is equal to cos 38°? |
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A. |
sin 38° |
B. |
sin 52° |
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C. |
tan 52° |
D. |
tan 38° |
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Hint |
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