Question

Asked Sep 17, 2019

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Find the slope of a line perpendicular to each of the following.

Give the exact answers, in fraction form if needed.

**a.** y=8-7x

m=

**b.** y=x

m=

Step 1

(**a**)

Note that, the two lines are perpendicular, if the product of their slopes is –1.

Consider the given linear equation as *y*=8–7*x*. Rewrite it as *y*=–7*x*+8.

By the slope intercept form of the linear equation (*y*=*mx*+b), the sl...

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