Question

True or False? Y varies directly with x and y = -9 when x = 3. When y = 27, the value of x is 9

Answer 1

ok im waiting .... make me smile

Answer 2

The entire thing makes no sense to me. Is there a way you can explain the sentence to me?

Answer 3

sure
y = kx

x = 3, y=-9

--> -9 = 3k --> k = -3

y = -3x
now try x=9 , y=27
does it work?

Answer 4

I got y=-27
so that means the statement is false, right?

Answer 5

correct

Answer 6

Thank you for your help :)

Answer 7

anything to make you smile ...haha

Answer 8

Haha ^_^