SOLUTION: Which equation describes the line that contains the points (-1, -8) and (-9, -21)? Choices: a. y= -13/8x - 77/8 b. y= 8/13x - 96/13 c. y= -8/13x - 122/13 d. y= 13/8x

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Question 1146993: Which equation describes the line that contains the points (-1, -8) and (-9, -21)?
Choices: a. y= -13/8x - 77/8
b. y= 8/13x - 96/13
c. y= -8/13x - 122/13
d. y= 13/8x - 51/8

Found 2 solutions by greenestamps, josgarithmetic:
Answer by greenestamps(13200) (Show Source):
You can put this solution on YOUR website!

From (-9,-21) to (-1,-8), the change in the x direction is from -9 to -1, a change of +8; the change in the y direction is from -21 to -8, a change of +13.

The slope is the change in y divided by the change in x: 13/8.

Only one answer choice has the correct slope, so it must be the right equation. (or else the problem is flawed....)

Answer by josgarithmetic(39617) (Show Source):
You can put this solution on YOUR website!

------------------choice d.

SOLUTION: Which equation describes the line that contains the points (-1, -8) and (-9, -21)? Choices: a. y= -13/8x - 77/8 b. y= 8/13x - 96/13 c. y= -8/13x - 122/13 d. y= 13/8x - 51/8