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Determine the slope of the line that is perpendicular to the line 3y= 9x-8.

User TyMac
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4 votes
They’re right. Divide the 3 then afterwards subtract the 8
User Daemedeor
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8.2k points
3 votes

Answer:

-1/3

Explanation:

First we need to determine the slope of the line. We can get it in the form y= mx+b by solving for y

3y = 9x-8

Divide each side by 3

3y/3 = 9/3x-8/3

y = 3x - 8/3

The slope is 3 and the y intercept is -8/3

We want to find a line that is perpendicular.

The slope will have to be the negative reciprocal.

m = -(1/3)

m = -1/3

The slope of the line the is perpendicular is -1/3

User Henrique Monte
by
8.1k points

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