Question

Tentukan persamaan garis yang tegak lurus 2y+2=-7/4(x-7) dan melalui (-2,-3)

Answer 1

M= -a/b
=-7/2

y-y1=m(x-x1)
y-(-3) = -7/2 (x-(-2))
y+3=-7/2x- 7
y=-7/2x-7-3
y=-7/2x-10
2y+7x+10=0