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1. |
Determine the slope of the line graphed below. |
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A. |
 |
B. |
0 |
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C. |
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D. |
 |
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Hint |
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2. |
Use substitution to solve the system of equations given below.
y = 2x
5x - y = -24 |
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A. |
(-4, -8) |
B. |
(-8, -16) |
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C. |
no solution |
D. |
infinitely many solutions |
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Hint |
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3. |
Select the segment that has been bisected. |
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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. |
Use the scatter plot to predict the mileage of an engine with 250 horsepower. |
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A. |
10 |
B. |
12 |
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C. |
20 |
D. |
25 |
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Hint |
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5. |
Which characteristic describes a graph that is linear and has direct variation. |
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A. |
The equation has the form y = mx. |
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B. |
The equation has the form y = mx + b. |
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C. |
The graph does not pass through (0, 0). |
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D. |
Variables x and y are not proportional. |
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Hint |
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6. |
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. |
The equation has the form y = mx. |
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C. |
Variables x and y are not proportional. |
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D. |
The equation has the form y = mx + b. |
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Hint |
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7. |
Find the equation that contains a decreasing linear relationship. |
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A. |
y = 5 – 6x |
B. |
y = 12+ 2x |
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C. |
y = 10 + x |
D. |
y = 4x – 3 |
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Hint |
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8. |
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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9. |
Which three points are collinear? |
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A. |
(–4, 4), (0, –4), (–1, –2) |
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B. |
(1, 2), (–3, –2), (–2, –4) |
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C. |
(–5, 2), (1, 1), (4, 4) |
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D. |
(3, –1), (2, 5), (2, –3) |
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Hint |
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10. |
Find the graph of y = x2. |
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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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11. |
How many diagonals does a 25-sided polygon have? |
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A. |
300 |
B. |
550 |
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C. |
275 |
D. |
25 |
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Hint |
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12. |
Describe how the graph of y = (x + 1)2 differs from the graph of y = x2. |
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A. |
the graph of y = (x + 1)2 moved up 1 unit |
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B. |
the graph of y = (x + 1)2 moved 1 unit to the left |
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C. |
the graph of y = (x + 1) 2 moved down 1 unit |
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D. |
the graph of y = (x+1)2 moved 1 unit to the right |
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Hint |
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13. |
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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14. |
Use the following table to find the population of bacteria in hour n. |
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A. |
180,000n |
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B. |
30,0006n |
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C. |
6 × 30,000 n |
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D. |
30,000 × 66 |
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Hint |
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15. |
Find a solution to the equation using backtracking.
 |
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A. |
n = –89 |
B. |
n = –12 |
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C. |
n = –100 |
D. |
n = 10 |
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Hint |
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16. |
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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17. |
A figure has rotation symmetry of 8°. How many identical parts must there be? |
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A. |
70 |
B. |
272 |
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C. |
45 |
D. |
40 |
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Hint |
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18. |
If you want to scale a segment by a factor of  , how long will the new segment be? |
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A. |
5% of its original size |
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B. |
of its original size |
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C. |
5 times its original size |
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D. |
25 times its original size |
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Hint |
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19. |
Rule: (x, y)  (x – 6, y + 1). Find the correct translation. |
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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. |
Find a rule for a translation that moves a point 3 units to the right and 10 units down. |
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A. |
rule: (x, y) (x + 10, y – 3) |
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B. |
rule: (x, y) (x – 3, y + 10) |
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C. |
rule: (x, y) (x + 3, y – 10) |
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D. |
rule: (x, y) (x – 10, y + 3) |
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Hint |
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