mari8506
mari8506 mari8506
  • 03-10-2020
  • Mathematics
contestada

How do you find the slope of the line passing through the points (-4,7) and (-4,-9)?

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jimthompson5910 jimthompson5910
  • 03-10-2020

Answer: undefined

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Explanation:

Slope Formula

m = (y2-y1)/(x2-x1)

m = (-9-7)/(-4-(-4))

m = (-9-7)/(-4+4)

m = -16/0

We cannot divide by zero, so the slope is undefined.

All vertical lines have an undefined slope because any two points on this line will have x coordinates of the same value. Those x coordinates subtract to 0.

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