hitunglah gradien garis A B dimana titik A di -6,-11 dan titik B dititik 7,9

[tex]x1 = - 6 \\ x2 = 7 \\ y1 = - 11 \\ y2 = 9 \\ \\ m = \frac{y2 - y1}{x2 - x1} \\ \: \: \: \: \: = \frac{9 - ( - 11)}{7 - ( - 6)} \\ \: \: \: \: \: = \frac{9 + 11}{7 + 6} \\ \: \: \: \: \: = \frac{20}{13} [/tex]