SOLUTION: Can someone please help me. Line passing through (-10,-1) and (-8,y) is perpendicular to a line with a slope of -2/9. What is the value of y. Thank you.

Question 95671: Can someone please help me.
Line passing through (-10,-1) and (-8,y) is perpendicular to a line with a slope of -2/9. What is the value of y.
Thank you.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Line passing through (-10,-1) and (-8,y) is perpendicular to a line with a slope of -2/9. What is the value of y.
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Any line perpendicular to a line with slope -2/9 must have a slope
of +9/2.
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Slope of your line thru the given points is:
slope = [y--1]/[-8--10] = (y+1)/2
EQUATION:
(y+1)/2 = 9/2
y+1 = 9
y = 8
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Cheers,
Stan H.
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