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1. |
Evaluate 1.5 + |2x - 4| if x = -3. |
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A. |
-11.5 |
B. |
11.5 |
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C. |
-0.5 |
D. |
3.5 |
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Hint |
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2. |
Solve 2(y - 9) < 6. |
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A. |
{y | y > 12} |
B. |
{y | y < 6} |
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C. |
{y | y > -6} |
D. |
{y | y < 12} |
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Hint |
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3. |
Choose the graph that is not a function. |
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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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4. |
State the slope and y-intercept of the graph of -y = -0.9x + 4. |
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A. |
m = -4, b = 0.9 |
B. |
m = 4, b = -0.9 |
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C. |
m = -0.9, b = 4 |
D. |
m = 0.9, b = -4 |
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Hint |
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5. |
Find the slope-intercept form of an equation of the line that has a slope of and passes through (8,2). |
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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. |
Choose the scatter plot that has a prediction equation with a negative slope. |
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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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7. |
The table below shows the land-speed records to the nearest mile per hour. Draw a scatter plot for the data and use it to predict the approximate land-speed record for the year 2005. Assume the rate of increase of speed records remains the same. |
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A. |
700 mph |
B. |
830 mph |
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C. |
980 mph |
D. |
600 mph |
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Hint |
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8. |
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. |
50 ft |
B. |
25 ft |
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C. |
68 ft |
D. |
42 ft |
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Hint |
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9. |
Evaluate if a = 2, b = 4, and c = -1. |
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A. |
-14 |
B. |
1 |
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C. |
2.4 |
D. |
7 |
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Hint |
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10. |
Name the sets of numbers to which belongs. |
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A. |
Rationals and Reals |
B. |
Naturals, Wholes, Integers, Rationals, and Reals |
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C. |
Irrationals and Reals |
D. |
Integers, Rationals, and Reals |
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Hint |
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11. |
Simplify the expression 8 (a + 2b) – 7b + 6 (3a – b). |
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A. |
26a + 3b |
B. |
4a – 6b |
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C. |
26a – 6b |
D. |
152a – 88b |
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Hint |
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12. |
Solve the equation x – 82 = 143 |
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A. |
225 |
B. |
61 |
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C. |
-61 |
D. |
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Hint |
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13. |
Solve the equation  |
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A. |
-1 |
B. |
20 |
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C. |
9 |
D. |
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Hint |
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14. |
Solve | x + 5 | - 3 = -1. |
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A. |
{-5, 2} |
B. |
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C. |
{-7, -3} |
D. |
{3, 7} |
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Hint |
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15. |
Solve x + 7 > 13. |
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A. |
{x | x > 20} |
B. |
{x | x < 13} |
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C. |
{x | x 20} |
D. |
{x | x > 6} |
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Hint |
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16. |
Graph the relation represented by y = x2 – x + 1. |
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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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17. |
Graph the line passing through the point (2, -5) with a slope of –2. |
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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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18. |
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 + 2 |
B. |
y = 2x - 2 |
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C. |
y = 2x - 8 |
D. |
y = 2x + 8 |
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Hint |
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19. |
For which scatter plot will a good line of fit have a negative y-intercept? |
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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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20. |
A cellular telephone company charges $0.20 per minute or fraction thereof. If Miguel, a customer of this company, talks on his cell phone for 23.27 minutes, what will his charges be for that phone call? |
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A. |
$4.80 |
B. |
$4.66 |
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C. |
$4.65 |
D. |
$4.60 |
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Hint |
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