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1. |
Which three points are collinear? |
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A. |
A(4, 1), B(-2, 3), C(6, 8) |
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B. |
D(0, 5), E(1, -2), F(-3, 1) |
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C. |
J(-3, -11), K(2, 4), L(0, -2) |
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D. |
G(2, 6), H(4, -3), I(-1, -7) |
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Hint |
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2. |
A plot of a set of data as ordered pairs is called a ___________. |
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A. |
scatter plot |
B. |
slope |
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C. |
proportion |
D. |
line |
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Hint |
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3. |
The vertices of are M(4, 2), N(-2, 5), and P(2, -3). Which is the equation of the line containing the median from M to ? |
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A. |
y = 2 |
B. |
y = 3x + 9 |
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C. |
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D. |
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Hint |
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4. |
QRS has vertices Q(3, -4), R(1, 2), and S(-5, 0). Which is the equation of the line through the midpoints of and ? |
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A. |
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B. |
y = 2x + 4 |
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C. |
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D. |
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Hint |
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5. |
Using the points (2,5) and (10,20) find the equation of the best-fit line for the scatter plot. |
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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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