1. Evaluate and approximate square roots Solve a quadratic equation by finding square roots Quadratic Equations

2. What is a square root?

3. What is 52? What is a square root?

4. What is 52? What is (-5)2? What is a square root?

5. What is 52? What is (-5)2? what is ? What is a square root?

6. All positive numbers have 2 square roots

7. All positive numbers have 2 square roots positive negative

8. All positive numbers have 2 square roots positive negative

9. Integers: whole numbers Numbers whose square roots are integers are called perfect squares.

10. These cannot be written as a ratio (fraction). Numbers that are never-ending decimals are called irrational numbers.

11. A radical expression is one that involves square roots.

12. If there is a ±, it represents two solutions. A radical expression is one that involves square roots.

13. Quadratic Equation A quadratic equation is one that has a variable squared.

14. Quadratic Equation x2 = 25 A quadratic equation is one that has a variable squared.

15. Standard Form ax2 + bx + c = 0

16. Standard Form ax2 + bx + c = 0 a is called the leading coefficient.

17. Solving Equations

18. Solving Equations

19. Solving Equations