Solving Quadratic Equations Square Root

How do we solve for x?

• It is already solved

• Divide it by 2

• Square it

• Take the square root

What are the roots of this Quadratic Equation?

• x = 6

• x = 4

• x = - 4

• x = -6

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

• Factoring

• Quadratic Formula

• Square Roots

• Graphing on Calculators

• Rainbow Method

Find the roots of the quadratic equation

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Find the zeros of this quadratic equation

• x = -4,

  x = 11

• x = -8,

  x = 8

• x = -4,

  x = 12

• x = 8,

  x = -12

• x = 12

  x = 4

Find the roots of the quadratic equation

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What is the difference between a root and a square root?

• A root is half of a square root

• A root is a solution and square root undoes a square

• A root undoes a square and a square root is solution

• They are the same thing

Solve using square roots.

• ±81

• ±9

• ±3

• No real solution