SOLUTION: Find an equation of theline that contains the point (5,-7) and perpendicular to y=1/2x-4 Thank you, Michelle

Question 47720: Find an equation of theline that contains the point (5,-7) and perpendicular to y=1/2x-4
Thank you, Michelle
Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
Find an equation of theline that contains the point (5,-7) and perpendicular to y=1/2x-4..........................1
EQN.OF LINE PERPENDICULAR TO 1 IS
Y=-2X+K.........FOR PERPENDICULAR LINES PRODUCT OF SLOPES SHOULD BE -1..SO IF M1=1/2...M2=-2...SO THAT M1M2=-1
THIS PASSES THROUGH 5,-7...SO
-7=-2*5+K=-10+K
K=10-7=3
HENCE EQN. OF LINE IS
Y=3-2X
Thank you, Michelle
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