Answered

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Find an equation for the line with the given properties. Perpendicular to the line 7x - 3y = 68; containing the point (8, -8)

Sagot :

Answer:

[tex]y=\dfrac{-3}{7}x-\dfrac{32}{7}[/tex]

Step-by-step explanation:

Given that,

A line 7x - 3y = 68 and containing the point (8, -8).

The equation can be written as :

[tex]-3y=68-7x\\\\y=\dfrac{68}{-3}+\dfrac{7x}{3}\\\\y=\dfrac{7x}{3}+(\dfrac{-68}{3})[/tex]

The slope is :7/3

Line is perpendicular so use m = –3/7

[tex]-8=(-\dfrac{3}{7})\times 8+b\\\\-8+\dfrac{3}{7}\times 8=b\\\\b=\dfrac{-32}{7}[/tex]

So, required equation is :

[tex]y=\dfrac{-3}{7}x-\dfrac{32}{7}[/tex]

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