Ask your own question, for FREE!
Mathematics 7 Online
OpenStudy (juliannamartineez):

Determine whether y varies directly with x. If so, find the constant of variation k and write the equation. X Y 4 6.4 7 11.2 10 16 13 20.8

OpenStudy (juliannamartineez):

really need help step by step please.

OpenStudy (heschamsaleh):

do you know which rule will we use here ?

OpenStudy (juliannamartineez):

no, its been a long time since ive done a problem like this and now im just stuck .

OpenStudy (heschamsaleh):

ok no problem the slope rule which is the change in y divided by the change in x

OpenStudy (heschamsaleh):

|dw:1474043982984:dw|

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!