Question

Find the slope of the line graphed below.

Answer 1

Answer: undefined

Explanation:

#1 use the horizontal and vertical line concept

- when the line is horizontal, the slope is 0

- when the line is vertical, the slope is undefined

- Thus, in this case, the line is vertical, the slope is undefined.

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# use the slope formula

`(y_(2)-y_(1))/(x_(2)-x_(1))`

- the two points are (1, 1) and (1, -4)

(-4-1)/(1-1)

=-5/0

= undefined (fractions with 0 base is undefined)