Question

la recta que pasa por los ountos (3,-2) y (4,0) tiene por ecuacion y=-2x+8 verdadero o falso

Answer 1

[(X - X1)]/[(X2 - X1)] = [(Y - Y1)]/[(Y2 - Y1)]

Donde: X1 = 3; Y1 = -2;  X2 = 4;  Y2 = 0

[(X - 3)]/[(4 - 3)] = [(Y - (-2))]/[(0 - (-2))]

[(X - 3)]/[(1)] = [(Y + 2)]/[(2)]

2(X - 3) = (Y + 2)

2X - 6 = Y + 2

Y = 2X - 8

Falso la ecuacion es Y = 2X - 8