Question

for the function below, state if y varies directly with x. If y does vary directly with x, determine k, the variation constant. Write the equation for the variation using the value k that you have found.

X | Y
2 | 4
4 | 8
16 | 32

Answer 1

y=2x

Answer 2

y=kx
when x=2 y -4
4=2k
k=2

Answer 3

X | Y
2 | 4
4 | 8
15 | 32

Answer 4

sorry that didnt turn out up there.

Answer 5

so when x = 2 y = 4?

Answer 6

@sami-21 ???

Answer 7

yup its given when x=2, y=4

Answer 8

how would you write the equation for the variation using the value k?

Answer 9

@sami-21

Answer 10

y=kx
since k=2
y=2x