minirone minirone

26-08-2019
Mathematics

contestada

how do you solve for y in the equation: [tex]\frac{x}{y} =y-6[/tex] and is it a function?

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kellyrenfro0616 kellyrenfro0616

26-08-2019

No it isn't.

Explanation:

x/y * y = (y-6) * y

x = y^2 - 6y

A function gives just one y for every x

In this case there will always be 2 y's for every x

Example:

y can be

y = 6

or

y =−6

(0,-6) & (0,6)

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