A19 1 square roots
- 1. Evaluate and approximate square rootsSolve a quadratic equation by finding square rootsQuadratic 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 rootspositivenegative
- 8. All positive numbers have 2 square rootspositivenegative
- 9. Integers: whole numbersNumbers 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 EquationA quadratic equation is one that has a variable squared.
- 14. Quadratic Equationx2 = 25A quadratic equation is one that has a variable squared.
- 15. Standard Formax2 + bx + c = 0
- 16. Standard Formax2 + bx + c = 0a is called the leading coefficient.