Question

PLEASE HELP ME~! NEED THIS ASAP

find the constant of variation k for the direct variation.


0

2

4

7


0

-1

-2

-3.5

Answer 1

B

Explanation:

since y and x vary directly the equation relating them is

y = kx ← k is the constant of variation

to find k use any ordered pair from the list given

using x = 4 when y = - 2, then

k =
`(y)/(x)` =
`(-2)/(4)` = - 0.5 → B