Tentukan gradien garis. a.) 2x-3y=5 melalui (1,-2) dan (-3,5)

a.) 2x-3y = 5
=> -3y = 5 - 2x
=> y = 2/3 x - 5/3

m = 2/3

b). melalui titik (1,-2) dan (-3,5)
m = (y2-y1) / (x2-x1)
m = (5+2) / ( -3 -1)
m = 7 / -4
m = - 7/4