Question

Find the direct variation equation of the graph through the points (0, 0) and (1, -2). Write in y=kx form.
A. y = 2x
B. y = -2x
C. y = 1/2 x
D. y = -1/2 x

Answer 1

if u plot it u get a negative slop so k must be negative
-2-0/ 1-0

= -2 = k

so y=-2x

So it was B

Hope this Helps! ^_^