(y)^2=(9y)^2

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Solution for (y)^2=(9y)^2 equation: 



(y)^2=(9y)^2

We move all terms to the left:

(y)^2-((9y)^2)=0

determiningTheFunctionDomain
y^2-9y^2=0

We add all the numbers together, and all the variables

-8y^2=0

a = -8; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-8)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$y=\frac{-b}{2a}=\frac{0}{-16}=0$

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