Question

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

Answer 1

@Rufusmith

Answer 2

y = -2x

Answer 3

Ooh, okay! Gah before I put y = -1/2x :P Thank you(:

Answer 4

you have to remember that y = mx +h, where:
\[m = \frac{ \Delta y }{ \Delta x }\]

Answer 5

i this case m = -2/1 and h = 0
So y = -2x

Answer 6

Oohh, okay. My teacher didn't explain it that way:P

Answer 7

xD