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Mathematics 14 Online
OpenStudy (anonymous):

What is the direct variation equation if y varies directly with x and y = –5 when x = –15? A. B. C. D.

Nnesha (nnesha):

do you know the equation ???

OpenStudy (anonymous):

sorry it didnt seem to go into the question

OpenStudy (anonymous):

one second

Nnesha (nnesha):

its okay we still can work it out i know all multiply choices are not there but that's fine

OpenStudy (anonymous):

A. y=-10x B.y=-3x C. y=3x D.y=1/3x

Nnesha (nnesha):

okay whlily you posting let me real quick and grab soem tea one minute

OpenStudy (anonymous):

ok

Nnesha (nnesha):

okay sorry about that :P

Nnesha (nnesha):

so do you know the equation for direct variation ??

OpenStudy (anonymous):

no i dont sorry

Nnesha (nnesha):

okay so y varies directly with x mean|dw:1422160977464:dw| now replace y and x by their values then slve for k

Nnesha (nnesha):

solve**

OpenStudy (anonymous):

is it 3?

Nnesha (nnesha):

not just 3 try it again

OpenStudy (anonymous):

-3?

Nnesha (nnesha):

|dw:1422161144333:dw| you have to divide both side by -15

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