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## Which expression can be used to find the slope of a line containing the points (–3, 2) and (7, –1)?

Question

Which expression can be used to find the slope of a line containing the points (–3, 2) and (7, –1)?

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Mathematics
2 months
2021-07-22T16:27:09+00:00
2021-07-22T16:27:09+00:00 1 Answers
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## Answers ( )

Answer: hi!(−3,2)

and

(7,−1)

The Slope is equal to the change in

y

over the change in

x

, or rise over run.

m

=

change in y

change in x

The change in

x

is equal to the difference in x-coordinates (also called run), and the change in

y

is equal to the difference in y-coordinates (also called rise).

m=y2−

y1x2−x1

Substitute in the values of :x and y

into the equation to find the slope :m=− 1−(2)7−(−3)

Simplify.Simplify the numerator.Multiply :−1 by 2.m= −1−27−(−3)

Subtract2

## from

−1.m= −37−(−3)

Simplify the denominator.

Multiply−1 by −3.m= −37+3

## Add

7

## and

3.m= −310

Move the negative in front of the fraction.m= −310

So once again you anwser is to :

## Use the slope formula to find the slope

## m.m

= −310