1. Solving Quadratics Using Square Roots
CA 2.0, 23.0

2. Objective - To solve a quadratic equation by using square roots

3. Inverse Operations We know the inverse of: ADDITION MULTIPLICATION
DISTRIBUTING
SQUARING
SUBTRACTION
DIVISION
FACTORING
SQUARE ROOT

4. TAKING THE SQUARE ROOT of both sides
Square Root Property
To solve a quadratic that is isolated on one side of the equation, use the inverse operation of squaring, which is
TAKING THE SQUARE ROOT of both sides

5. Square Root Property

6. Square Root Property

7. Try These!

8. Try These!

9. Approximating Solutions

10. Approximating Solutions