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1. |
Determine the slope of the line that passes through (2, 2) and (5, 8). |
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A. |
2 |
B. |
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C. |
-2 |
D. |
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Hint |
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2. |
Write the inequality that is graphed on the number line below. |
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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. |
Simplify Assume the denominator is not equal to zero. |
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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. |
If a rocket is fired from the ground with an initial velocity of 75 meters per second, then the height of the rocket after t seconds is h = 75t - 4.9t2. Find the height of the rocket after 3 seconds. |
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A. |
180.9 meters |
B. |
130.4 meters |
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C. |
221.6 meters |
D. |
252.5 meters |
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Hint |
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5. |
Find the situation that involves a decreasing linear relationship and has direct variation. |
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A. |
An airplane that begins at 20,000 feet and descends for a landing on the ground at the airport. |
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B. |
A bucket that begins at ground level and is lowered into a well at a rate of 1 foot per second. |
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C. |
A submarine that begins at the bottom of the ocean and is raised to the surface of the water at 15 meters per second. |
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D. |
The temperature that begins at 0°F at 6:00 a.m. rises 3°F every hour for 6 hours. |
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Hint |
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6. |
Find the table that represents a graph with direct variation. |
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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. |
What is the equation of a line that has a slope of –1 and passes through (–2, 0)? |
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A. |
y = –x – 2 |
B. |
y = –x + 2 |
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C. |
y = –2x + 1 |
D. |
y = –x – 1 |
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Hint |
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8. |
Which three points are collinear? |
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A. |
(–5, –3), (–2, 3), (2, –4) |
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B. |
(4, –3), (2, –2), (–4, 1) |
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C. |
(–1, 1), (2, 3), (5, 2) |
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D. |
(3, 1), (4, 0), (–1, 2) |
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Hint |
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9. |
Find the graph of y = x2 + 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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10. |
Describe the location of the line of symmetry of the graph of y = x2 – 2. |
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A. |
there is no line of symmetry |
B. |
the vertical axis |
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C. |
the horizontal axis |
D. |
the line y = x |
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Hint |
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11. |
How many diagonals are connected to each vertex for a 25-sided polygon? |
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A. |
21 |
B. |
22 |
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C. |
20 |
D. |
25 |
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Hint |
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12. |
Consider the equation xy = 3. What happens to the value of y when x doubles? |
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A. |
y halves |
B. |
y triples |
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C. |
y doubles |
D. |
y quarters |
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Hint |
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13. |
What is the reciprocal of ? |
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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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14. |
Find a solution to the equation using backtracking.
 |
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A. |
n = –89 |
B. |
n = –12 |
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C. |
n = 10 |
D. |
n = –100 |
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Hint |
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15. |
Find a solution to the equation using backtracking.
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A. |
c = 8 |
B. |
c = –14 |
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C. |
c = –1 |
D. |
c = 2 |
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Hint |
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16. |
Find a solution to the equation by doing the same thing to both sides. 3(5f + 7) + 9(f + 4) = 9 |
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A. |
f = –2 |
B. |
f = –12 |
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C. |
f = –9 |
D. |
f = –10 |
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Hint |
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17. |
Julian said, ''I'm thinking of a number. When I add 3 to my number, multiply the sum by 12, divide the product by 8, and subtract the result by 7, I get 11. What is the number I'm thinking of?'' |
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A. |
9 |
B. |
8 |
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C. |
10 |
D. |
7 |
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Hint |
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18. |
How could you use the graph of h = 20t – 6t2 to estimate the solution(s) of 20t – 6t2 = 7, where h stands for height and t stands for time? |
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A. |
Draw a horizontal line at h = 20 and find where it intersects the curve. |
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B. |
Draw a horizontal line at h = 7 and find where it intersects the curve. |
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C. |
Draw a vertical line at t = 20 and find where it intersects the curve. |
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D. |
Draw a vertical line at t = 7 and find where it intersects the curve. |
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Hint |
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19. |
Use a graph to solve the system of equations. y = x2 y = –x + 2 |
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A. |
(–2, 1), (1, 4) |
B. |
(4, 1), (1, –2) |
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C. |
(–2, 4), (1, 1) |
D. |
(1, 1), (4, –2) |
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Hint |
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20. |
Use substitution or elimination to solve the system of equations. x + 2y = 6 x – 3y = –4 |
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A. |
(2, 2) |
B. |
(–2, –2) |
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C. |
(2, –2) |
D. |
(–2, 2) |
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Hint |
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