Question

What is the solution set of the following equation?

{1, 2}
{1, 1/2}
{2, 1/2}

Answer 1

http://media01.switchedononline.com/g_alg01_2010/9/143.gif

Answer 2

Put everything on one side
And also multiply 5 on both sides

Answer 3

Then use the quadratic formula

Answer 4

which one is the quadratic formula?

Answer 5

\[x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}\]

That right there is the quadratic formula
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It is to be used whenever you have something in this form:
\[ax^2+bx+c=0\]

Answer 6

but isn it