contestada

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 P 1 2 Ay4x and plus6 By4x6 Cy3x and plus5 Dy3x5 class=

Respuesta :

meowmeow223334
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