Respuesta :

apologiabiology
y=mx+b
b=y intercept, aka where the line crosses theh y axis
m=slope

y intercept=0 since it goest through the y axis at 0

y=mx
we pick a pont
(1,2)
x=2
y=1
sub and find answer
2=m(1)
2=m
the equation is
y=2x

answer id D