1. 16.1 Solving Quads by Square Root Method and factoring

2. Ahh…the sequel to “teach me how to factor”
Do the Quad Solve

3. solutions roots X-intercepts zeros
First, vocabulary
solutions
roots
X-intercepts
zeros
These all mean the same thing when solving quadratics…KNOW THIS!!!

4. From a graph (we’ll learn to graph a little later)

5. Method 1: Square Root Method
Steps:

6. Solve

7. Solve

8. Solving by factoring
Easiest method to use, if the quadratic is factorable
Steps:
Set function equal to 0
Factor
Set each factor equal to zero and solve

9. Assignment
Worksheet on Solving by factoring and square roots method!

10. Check HW quickly and quietly

11. Factoring HW answers -4, 6 -2, 10 1, 5 -3, 8 -2, 6 2, 8
7) -5, 3/2 8) 2, -5/4 9) -3 10) 0, 4, 8 11) 2, -2 12) -8, -1/2