Question

Diketahui persamaan garis y=mx+c.tentukan nilai m dan c jika garis tsb melalui titik;
(2,0)dan(0,-4) jawab dgn caranya

Answer 1

Y- y1. = x -x1
______ ______
y2 -y1. x2-x1
y-0. = x-2
______ ______
-4-0. 0-2
y. = x-2
___ ____
-4. -2
y (-2) = -4(x-2)
-2y=-4x+8
y=2x-4..............y= mx+c.............m=2, c=-4