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Write an equation of the line that is perpendicular to 5x+20y=10 and passes through the point (8,3)

User Rublex
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1 Answer

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5x+20y=10
20y=10-5x /20
y=-1/4*x+1/2

a1=-1/4
a2=?

a1*a2=-1
-1/4*a2=-1 /(-1/4)
a2=4

y=4x+b

P(8,3)

3=4*8+b
3=32+b
b=-29

y=4x-29





Regards M.Y.

User Jahlil
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