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=

 
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Expert Answer

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=8–7x. Rewrite it as y=–7x+8.

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

a(-7)
-1
7a 1
1
а
7
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a(-7) -1 7a 1 1 а 7

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