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1. |
Determine the slope of the line graphed below. |
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A. |
0 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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2. |
Determine the slope of the line that passes through (2, 2) and (5, 8). |
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A. |
 |
B. |
 |
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C. |
2 |
D. |
-2 |
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Hint |
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3. |
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. |
 |
D. |
 |
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Hint |
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4. |
What is the slope of the line through the points A(-3, 4) and B(2, -1)? |
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A. |
 |
B. |
-3 |
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C. |
1 |
D. |
-1 |
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Hint |
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5. |
What is the equation of the graph shown? |
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A. |
y = -x2 - 2x - 1 |
B. |
y = x2 - 2x + 1 |
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C. |
y = x2 + 2x + 1 |
D. |
y = -x2 +2x - 1 |
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Hint |
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6. |
Find the equation that has direct variation. |
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A. |
y = 0.8x + 9 |
B. |
y = 4x |
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C. |
y = 5x + 1.3 |
D. |
y = –3x – 1 |
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Hint |
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7. |
Find the situation that involves a decreasing linear relationship and has direct variation. |
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A. |
The temperature that begins at 0°F at 6:00 a.m. rises 3°F every hour for 6 hours. |
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B. |
An airplane that begins at 20,000 feet and descends for a landing on the ground at the airport. |
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C. |
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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D. |
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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Hint |
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8. |
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 – 9 |
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C. |
y = 3x + 3 |
D. |
y = 3x – 3 |
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Hint |
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9. |
Which three points are collinear? |
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A. |
(–5, –3), (–2, 3), (2, –4) |
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B. |
(3, 1), (4, 0), (–1, 2) |
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C. |
(4, –3), (2, –2), (–4, 1) |
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D. |
(–1, 1), (2, 3), (5, 2) |
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Hint |
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10. |
Which three points are collinear? |
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A. |
(–5, 2), (1, 1), (4, 4) |
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B. |
(1, 2), (–3, –2), (–2, –4) |
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C. |
(–4, 4), (0, –4), (–1, –2) |
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D. |
(3, –1), (2, 5), (2, –3) |
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Hint |
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11. |
Write the equation in slope-intercept form.
–6x = –10 – 2y |
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A. |
y = 3x – 5 |
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B. |
y + 8 = 3(x + 1) |
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C. |
y = 3x + 8 |
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D. |
–6x + 2y + 10 = 0 |
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Hint |
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12. |
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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13. |
Which way does the graph of y = –2x2 open? |
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A. |
down |
B. |
up |
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C. |
left |
D. |
right |
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Hint |
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14. |
How many diagonals does a 25-sided polygon have? |
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A. |
550 |
B. |
275 |
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C. |
300 |
D. |
25 |
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Hint |
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15. |
Two friends are playing catch with a baseball. The ball's flight can be modeled by the equation
y = 1 + 0.6x – 0.08x2, in meters. What is the height of the ball at its highest point? |
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A. |
2.13 m |
B. |
18.8 m |
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C. |
3.78 m |
D. |
1 m |
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Hint |
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16. |
Find the equation of the following graph. |
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A. |
y =  |
B. |
y = x3 |
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C. |
y = x2 |
D. |
y =  |
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Hint |
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17. |
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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18. |
Find which equation does not represent a reciprocal relationship. |
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A. |
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B. |
–6 = ef |
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C. |
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D. |
ab = 3 |
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Hint |
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19. |
What is a conjecture? |
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A. |
a ''shot in the dark'' guess that hasn't been proved yet |
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B. |
an educated guess that hasn't been proved yet |
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C. |
a ''shot in the dark'' guess that has been proved |
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D. |
an educated guess that has been proved |
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Hint |
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20. |
How many counterexamples are needed to prove a conjecture wrong? |
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A. |
4 |
B. |
1 |
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C. |
2 |
D. |
3 |
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Hint |
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