Y-(-5)=(2/9)(x-8)

Solution for Y-(-5)=(2/9)(x-8) equation:

-(-5)=(2/9)(Y-8)

We move all terms to the left:

-(-5)-((2/9)(Y-8))=0


Domain of the equation: 9)(Y-8))!=0

Y∈R


We add all the numbers together, and all the variables

-((+2/9)(Y-8))-(-5)=0

We add all the numbers together, and all the variables

-((+2/9)(Y-8))+5=0

We multiply parentheses ..

-((+2Y^2+2/9*-8))+5=0

We multiply all the terms by the denominator


-((+2Y^2+2+5*9*-8))=0


We calculate terms in parentheses: -((+2Y^2+2+5*9*-8)), so:

(+2Y^2+2+5*9*-8)

We get rid of parentheses

2Y^2+2-8+5*9*

We add all the numbers together, and all the variables

2Y^2

Back to the equation:

-(2Y^2)


a = -2; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-2)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$Y=\frac{-b}{2a}=\frac{0}{-4}=0$