tentukan gradien garis yang melalui titik a (4,-2) b (2,4)
[tex]m = \frac{y2 - y1}{x2 - x1} [/tex]
[tex]m = \frac{4 - - 2}{2 - 4} [/tex]
[tex]m = \frac{6}{ - 2} [/tex]
m = -3
[tex]m = \frac{y2 - y1}{x2 - x1} [/tex]
[tex]m = \frac{4 - - 2}{2 - 4} [/tex]
[tex]m = \frac{6}{ - 2} [/tex]
m = -3