Solving Quadratic by Square Roots

How do we solve for x?

• It is already solved

• Divide it by 2

• Square it

• Take the square root

For this quadratic equation, we said that there are NO REAL SOLUTIONS. Why did we say that?

• Because 3 goes into 9, so those cancel out

• Because we cannot take the square root of a negative number

• Because a has to be equal to 1

• Because there is no c value

What is this symbol called?

• Square Root

• Root

• Square

• Factor

So far, which methods of SOLVING Quadratic Equations have we learned?

• Factoring

• Quadratic Formula

• Square Roots

• Graphing on Calculators

• Rainbow Method

Find the zeros of this quadratic equation

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Find the roots of the quadratic equation

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Find the roots of the quadratic equation

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Find the x-intercept(s) by taking square roots.