Question

find the equation of straight line passing through (1,-2) and (3,4)​

Answer 1

Answer:

$3x - y = 5$

Step-by-step explanation:

$(y - 4) = \frac{4 + 2}{3 - 1} (x - 3) \\ \\ (y - 4) = \frac{6}{2} (x - 3) \\ \\(y - 4) = 3 (x - 3) \\ \\y - 4 = 3x - 9 \\ \\ 3x - y = 5$