Segment XY represents the path of an airplane that passes through the coordinates (2,1) and (4,5). What is the slope of a line that represents the path of another airplane that is traveling parallel to the first airplane?
a. -2
b. - 1/2
c. 1/2
d. 2
1. B
2. A
3. C
4. C
5. D
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(2,1), (4,5).
Slope = (y2-y1)/(x2-x1) = (5-1)/(4-2) =
A
D
B
A
C