Question

equation of (1, -2)(3, -4)

Answer 1

Step-by-step explanation:

here

x1=1. y1=-2. X2= 3. y2=-4

$equation \: of \: \: a \: line = y - y1 = \frac{y2 - y1}{x2 - x1} (x - x1)$

$y + 2 = \frac{ - 4 + 2}{3 - 1} (x - 1) \\ y + 2 = - 1(x - 1) \\ y + 2 = - x + 1 \\ y + x + 1 = 0$