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1. |
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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2. |
Which are the vertices of an isosceles triangle? |
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A. |
J(0, 4), K(-3, -4), L(1, -5) |
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B. |
G(5, 1), H(-4, 3), I(2, 6) |
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C. |
A(6, 3), B(-2, 4), C(2, 11) |
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D. |
D(2, -6), E(1, -5), F(8, 0) |
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Hint |
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3. |
Tamotsu and Ryan each go to the same school. Tamotsu lives 5 miles north and 3 miles west of the school. Ryan lives 7 miles south and 4 miles east of the school. How far apart do they live? |
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A. |
2.24 miles |
B. |
12.04 miles |
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C. |
7.28 miles |
D. |
13.9 miles |
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Hint |
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4. |
What is the perimeter of a triangle whose vertices are the points
(–1, 4), (–1, –2), (5, –2)? |
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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. |
What is the distance between (2, 5) and (11, –3)? |
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A. |
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B. |
17 |
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C. |
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D. |
145 |
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Hint |
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