SOLUTION: Find equation of the line which is perpendicular to the line Y=5x+9 and has y-intercept = 6.

Question 521381: Find equation of the line which is perpendicular to the line Y=5x+9
and has y-intercept = 6.

Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
1 y = 5 x + 9
Divide by 1
y = 5 x + 9
Compare this equation with y=mx+b
slope m = 5.00

The slope of a line perpendicular to the above line will be the negative reciprocal -0.2
m1*m2=-1
The slope of the required line will be - 1/5

m= - 1/5 ,point ( 0 , 6 )
Find b by plugging the values of m & the point in
y=mx+b
6 = 0.00 + b
b= 6
m= - 1/5
The required equation is y = - 1/ 5 x + 6
m.ananth@hotmail.ca
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