Which of the following equations represents an inverse variation?
y equals x divided by two
y equals two times x
y equals two divided by x
y equals x squared
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OpenStudy (anonymous):
@BrAnDoN_AAS
@cool41
OpenStudy (solomonzelman):
\(\LARGE\color{black}{ y=\frac{k}{x} }\) is an inverse variation.
OpenStudy (solomonzelman):
k is a constant.
OpenStudy (solomonzelman):
\(\LARGE\color{black}{ y=\frac{x}{2} }\) is same as \(\LARGE\color{black}{ y=\frac{1}{2} x }\) so it is not inverse.
\(\LARGE\color{blue}{ y=2x }\) is obviously not an inverse variation, it is direct.
\(\LARGE\color{red}{ y=\frac{2}{x} }\) is more like it.
\(\LARGE\color{magenta}{ y=x^2 }\) is a parabola.
OpenStudy (anonymous):
y equals 2 divided by x
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OpenStudy (solomonzelman):
So...
OpenStudy (anonymous):
@elliecan you have de answer
OpenStudy (solomonzelman):
y=2/x is correct. It is an inverse variation.
OpenStudy (anonymous):
but thats wrong
OpenStudy (anonymous):
@cool41
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OpenStudy (anonymous):
i am pretty sure it is y =x/2.
letme know if it is right
OpenStudy (anonymous):
ya thats what I meant first time but got it mixed up