16 days ago

Which two points lie on a line with an undefined slope?

2 answers:

6 0

The formula for slope is
m = (y2 - y1)/(x2 - x1)

A. m = (5 - 0)/(-2 + 2)
m = (5)/(0)
m = error

B. m = (-2 - 0)/(0 + 2)
m = (-2)/(2)
m = -1

C. m = (2 - 0)/(2 - 0)
m = (2)/(2)
m = 1

D. m = (0 - 0)/(2 - 3)
m = (0)/(-1)
m = 0

the slope that is deemed undefined is the one resulting in an error, which is A

PIT_PIT [12.4K]16 days ago

3 0

Response:

Answer A. $(-2,0)$ and $(-2,5)$

Detailed explanation:

It is known that

A vertical line has an undefined slope

Lines that run parallel to the y-axis are vertical lines

Points on a vertical line share the same x-coordinate

In this case

the points $(-2,0)$ and $(-2,5)$ share the same x-coordinate

thus

The points lie on a vertical line which has an undefined slope

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