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1. |
The distance between the points with coordinates (-8, 4) and (1, a) is 15 units. Find the value of a. |
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A. |
-8 or 16 |
B. |
-8 |
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C. |
8 |
D. |
8 or 16 |
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Hint |
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2. |
The distance between the points with coordinates (3, 7) and (-2, a) is  units. Find the value of a. |
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A. |
-1 or 13 |
B. |
-1 or -13 |
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C. |
-1 or 1 |
D. |
1 or 13 |
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Hint |
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3. |
Greta and her grandmother planned to attend a downtown play. Greta lives 10 miles south and 4 miles west of downtown, while her grandmother lives 2 miles south and 2 miles east of downtown. If Greta picks up her grandmother on the way (rather than meet her at the play), how many miles does that add to her trip? |
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A. |
2 |
B. |
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C. |
 |
D. |
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Hint |
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4. |
What is the midpoint of a segment with endpoints at (-1, 4) and (-3,-2)? |
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A. |
(-2, 1) |
B. |
(2, 1) |
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C. |
(1, -2) |
D. |
(-1, 2) |
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Hint |
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5. |
What is the midpoint of a segment with endpoints at (5, 6) and (3, 8)? |
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A. |
(7, 4) |
B. |
(1, 1) |
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C. |
(4, 7) |
D. |
(1, -1) |
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Hint |
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