Question

Persamaan garis yng melalui titik (-3,6) dan (1,4)

Answer 1

Answer 2

M = ( y₂ - y₁ ) : ( x₂ - x₁ )
m = ( 4 - 6 ) : ( 1 - (-3) )
m = -2 : 4
m = -1/2

y = mx - ( mx₁ - y₁ )
y = -1/2x - ( -1/2 × -3 - 6 )
y = -1/2x - ( 3/2 - 6 )
y = -1/2x + 9/2
2y = -x + 9
x + 2y = 9