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Which of the equation of a line perpendicular to the line shown and through the point P (1, -2) A.y=-4x and plus;6 B.y=4x-6 C.y=-3x and plus;5 D.y=3x-5
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Which of the equation of a line perpendicular to the line shown and through the point P (1, -2)

A.y=-4x and plus;6
B.y=4x-6
C.y=-3x and plus;5
D.y=3x-5

Which of the equation of a line perpendicular to the line shown and through the point-example-1
User Mohammad Hamedani
by
4.8k points

1 Answer

3 votes
First find the slope
(0,2) (4,1)
(1-2)/(4-0) = -1/4
Perpendicular = opposite sign and reciprocal slope = 4 slope
Y = 4x + b
-2 = 4(1) + b, b = -6
Answer: B. Y = 4x - 6
User Tonjo
by
4.7k points
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