Find an equation for the line perpendicular to the line −7x−9y=−6 having the same y-intercept as 2x−6y=6

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01-10-2017
Mathematics

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Find an equation for the line perpendicular to the line −7x−9y=−6 having the same y-intercept as 2x−6y=6

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texaschic101 texaschic101 · Answer 1 · 2017-10-01T20:37:02+02:00

texaschic101 texaschic101

01-10-2017

-7x - 9y = -6
-9y = 7x - 6
y = -7/9x + 2/3...slope here is -7/9....a perpendicular line will have a negative reciprocal slope. So the perpendicular line will have a slope of 9/7

2x - 6y = 6
-6y = -2x + 6
y = 1/3x - 1....the y int here is -1

so ur equation is : y = 9/7x - 1 <==

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