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1. |
What is the slope of  in parallelogram ABCD? |
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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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2. |
A line of best-fit should not be drawn for which of the following graphs. |
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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. |
Find  . |
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A. |
-14 |
B. |
-15 |
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C. |
15 |
D. |
14 |
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Hint |
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4. |
Find  |
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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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5. |
Find the equation that has direct variation. |
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A. |
y = 5x + 1.3 |
B. |
y = 4x |
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C. |
y = –3x – 1 |
D. |
y = 0.8x + 9 |
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Hint |
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6. |
Find the graph that is nonlinear. |
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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. |
Pam's mother gives Pam $20 each week for lunch to be bought at the school cafeteria. Lunches cost $4 per day. Draw a graph showing the amount Pam has left decreasing very slowly. Suppose you graph the time in days on the horizontal axis and the amount Pam has left on the vertical axis. |
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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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8. |
What is the equation of a line that has a slope of 4 and passes through (6, 3)? |
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A. |
y = 4x – 7 |
B. |
y = 4x – 21 |
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C. |
y = 4x – 27 |
D. |
y = 4x – 3 |
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Hint |
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9. |
What is the equation of a line that has a slope of 3 and passes through (–4, –3)? |
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A. |
y = 3x – 9 |
B. |
y = 3x – 3 |
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C. |
y = 3x + 3 |
D. |
y = 3x + 9 |
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Hint |
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10. |
Which three points are collinear? |
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A. |
(1, 2), (–3, –2), (–2, –4) |
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B. |
(–4, 4), (0, –4), (–1, –2) |
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C. |
(3, –1), (2, 5), (2, –3) |
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D. |
(–5, 2), (1, 1), (4, 4) |
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Hint |
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11. |
Which way does the graph of y = –2x2 open? |
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A. |
up |
B. |
down |
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C. |
left |
D. |
right |
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Hint |
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12. |
How many diagonals are connected to each vertex for a 25-sided polygon? |
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A. |
25 |
B. |
21 |
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C. |
20 |
D. |
22 |
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Hint |
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13. |
Which equation is in the same family as y = x2? |
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A. |
y = 2x – 3 |
B. |
y = x2 – 3 |
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C. |
y = x3 – 3 |
D. |
y = 2x2 – 3 |
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Hint |
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14. |
What is the reciprocal of –20? Evaluate it in decimal form. |
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A. |
–0.05 |
B. |
–0.02 |
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C. |
–0.50 |
D. |
–0.20 |
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Hint |
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15. |
What is the relationship between constant second differences and the coefficient of the equation? |
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A. |
the second difference is –2 times the coefficient |
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B. |
the second difference is 2 times the coefficient |
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C. |
the second difference is the same as the coefficient |
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D. |
the second difference is opposite the coefficient |
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Hint |
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16. |
How many counterexamples are needed to prove a conjecture wrong? |
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A. |
3 |
B. |
2 |
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C. |
1 |
D. |
4 |
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Hint |
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17. |
Use an exponent to write 177,147 as a power of 3. |
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A. |
311 |
B. |
319 |
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C. |
317 |
D. |
39 |
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Hint |
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18. |
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. |
0.0931 |
B. |
1.069 |
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C. |
1.69 |
D. |
6.9 |
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Hint |
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19. |
Identify the growth factor in the equation p = 682,363 × 1.08n where p is the population and n is the number of years after 2001. |
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A. |
p |
B. |
n |
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C. |
682,363 |
D. |
1.08 |
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Hint |
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20. |
Evaluate.  |
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A. |
6 |
B. |
8 |
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C. |
5 |
D. |
–6 |
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Hint |
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