Question

Persamaan garis y=mx+c
titik kordinat (2,1) (-3,-1)
nilai m dan c adalah
please dijawab... besok dikumpulin
arigatou minna-san :)

Answer 1

Y = mx + c
(2,1) --> 1 = m + c
(-3, -1) --> -1= - 3m + c
kurangkan
2 = 4m
m = 1/2
1 = m + c --> c = 1- m
c = 1 - 1/2
c =1/2