SOLUTION: The diagonal of a squars is 2 m longer than a side. Find the length of a side?

Question 295867: The diagonal of a squars is 2 m longer than a side. Find the length of a side?

Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
x=side
a^2+b^2=c^2
if a=x then b=x and c=x+2

Solved by pluggable solver: SOLVE quadratic equation with variable

Quadratic equation (in our case ) has the following solutons:

For these solutions to exist, the discriminant should not be a negative number.

First, we need to compute the discriminant : .

Discriminant d=32 is greater than zero. That means that there are two solutions: .

Quadratic expression can be factored:

Again, the answer is: 4.82842712474619, -0.82842712474619. Here's your graph:

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