1. Section 1.4 – Quadratic Equations
No Calculator

2. Solve the following quadratic equations:

3. Now try these four…..

5. Now try these five:

6. The Method of Completing the Square

7. The Method of Completing the Square

8. Now try these……

9. The Quadratic Formula
Before we begin solving (and potentially wasting time)……
Compute the value of the discriminant
[use quadratic formula or factor]
[perfect square….+/- square root]
[cannot do until Section 1.5]

10. Use the value of the discriminant to determine the number of
real solutions to each of the quadratic equations below.
Zero Real Solns
Zero Real Solns
Two Real Solns
Two Real Solns
One Real Soln
Two Real Solns

11. Given the quadratic equation below:
Compute the value of the discriminant.
Determine the number of real solutions
Solve the quadratic equation (if possible)

12. Given the quadratic equation below:
Compute the value of the discriminant.
Determine the number of real solutions
Solve the quadratic equation (if possible)

13. Given the quadratic equation below:
Compute the value of the discriminant.
Determine the number of real solutions
Solve the quadratic equation (if possible)