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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. |
 |
D. |
-2 |
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Hint |
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2. |
Determine whether the number  is rational or irrational. |
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A. |
neither |
B. |
rational |
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C. |
irrational |
D. |
both |
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Hint |
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3. |
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. |
221.6 meters |
B. |
130.4 meters |
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C. |
252.5 meters |
D. |
180.9 meters |
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Hint |
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4. |
Which characteristic describes a graph that is linear and has direct variation. |
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A. |
The graph does not pass through (0, 0). |
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B. |
Variables x and y are not proportional. |
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C. |
The equation has the form y = mx. |
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D. |
The equation has the form y = mx + b. |
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Hint |
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5. |
Find the equation that has direct variation. |
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A. |
y = 0.8x + 9 |
B. |
y = 5x + 1.3 |
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C. |
y = –3x – 1 |
D. |
y = 4x |
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Hint |
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6. |
Find the graph that does not have direct variation. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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7. |
Find the equation that is nonlinear. |
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A. |
y = 4y2 |
B. |
y = –3x – 1 |
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C. |
y = 14 + 6x |
D. |
y = 8 – x |
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Hint |
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8. |
Michael just got a job mowing his elderly neighbor's lawn paying him $10 each week. Draw a graph showing the amount he receives is increasing very rapidly. Suppose you graph the time in weeks on the horizontal axis and the amount Michael receives on the vertical axis. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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9. |
Which three points are collinear? |
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A. |
(3, –1), (2, 5), (2, –3) |
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B. |
(–4, 4), (0, –4), (–1, –2) |
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C. |
(–5, 2), (1, 1), (4, 4) |
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D. |
(1, 2), (–3, –2), (–2, –4) |
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Hint |
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10. |
Write the equation in slope-intercept form.
–6x = –10 – 2y |
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A. |
–6x + 2y + 10 = 0 |
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B. |
y = 3x – 5 |
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C. |
y + 8 = 3(x + 1) |
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D. |
y = 3x + 8 |
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Hint |
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11. |
Which table shows a quadratic relationship? |
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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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12. |
How many diagonals does a 25-sided polygon have? |
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A. |
300 |
B. |
25 |
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C. |
550 |
D. |
275 |
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Hint |
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13. |
Find the equation of the graph below. |
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A. |
y = (x + 3)2 |
B. |
y = (x - 3)2 |
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C. |
y = x2 – 3 |
D. |
y = x2 + 3 |
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Hint |
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14. |
Solve for y in terms of x.xy = 100 |
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A. |
y = 100x |
B. |
x =  |
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C. |
y =  |
D. |
y =  |
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Hint |
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15. |
Consider the equation  . What happens to the value of y when x is divided by 4? |
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A. |
y is subtracted from 4 |
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B. |
y is multiplied by 4 |
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C. |
y is divided by 4 |
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D. |
y is added to 4 |
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Hint |
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16. |
How does b affect graphs of equations in the form of  ? |
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A. |
positive values of b move the graph to the left, negative values move it to the right |
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B. |
b affects the width of the graph |
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C. |
negative values of b move the graph to the left, positive values move it to the right |
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D. |
b affects the length of the graph |
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Hint |
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17. |
What type of relationship does the equation have if its second differences are constant? |
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A. |
quadratic |
B. |
constant |
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C. |
linear |
D. |
cubic |
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Hint |
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18. |
How many counterexamples are needed to prove a conjecture wrong? |
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A. |
1 |
B. |
2 |
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C. |
4 |
D. |
3 |
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Hint |
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19. |
The population of fish in Mark's lake is 500 this year. If the population increases by 6.9% a year, what number can Mark multiply this year's population by to estimate the fish population in the lake next year? |
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A. |
6.9 |
B. |
1.069 |
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C. |
1.69 |
D. |
0.0931 |
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Hint |
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20. |
Evaluate.  |
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A. |
5 |
B. |
–6 |
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C. |
6 |
D. |
8 |
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Hint |
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