PPersamaan ggaris yyang mmelalui ttitik (1,2) ddan (A-1) aadalahhh

By Admin ReiPosted on December 9, 2022

PPersamaan ggaris yyang mmelalui ttitik (1,2) ddan (A-1) aadalahhh

Jawaban:

$frac{y - y1}{y2- y1} = frac{x - x1}{x2 - x1} \ frac{y - 2}{ - 1 - 2 } = frac{x - 1}{a - 1 } \ frac{y - 2}{ - 3} = frac{x - 1}{a - 1}$

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