Question

Variable y varies directly with variable x, and y = 45 when x = 9. What is value of y when x = 2? y =

Answer 1

any options?

Answer 2

I think y= 10

Answer 3

y = kx

Plug in what we know:

45 = k(9)

45 = 9k

Divide 9 to both sides, what's 45 / 9? @PlanSlam

Answer 4

no

Answer 5

5

Answer 6

Roy Lichtenstein!!

Answer 7

Yes, so we plug that and x = 2 into the equation:

y = kx

y = (5)(2)

Multiply 5 * 2