1. CHAPTER 4

2. How can you find the vertex?
Standard Form:
y = ax2 + bx + c
How can you find the vertex?
-b/2a
Use Calculate Key
Min or Max

3. Example: Find the vertex of y = 2x2 - 8x + 3

4. Vertex Form y = a(x - h)2 + k Vertex: (h, k) Example:
What is the vertex of y = 3(x + 2)2 - 5

5. Factoring Factor the following problems: x2 + 4x - 12 x2 - 49

6. Solving equations by using square roots
Find the solutions of

7. Imaginary Numbers
Standard Form of a complex number is
a + bi

8. Write the complex number in standard form
(7 + 2i) - (3 - 5i)

9. Find the quotient and write in standard form

10. Completing the square
Find the value of c that makes the expression a perfect square trinomial. Then write the expression as the square of a binomial.
y = x2 + 14x + c

11. Write the quadratic function in vertex form by completing the square
y = x2 + 10x - 5

12. Write the quadratic function in vertex form by completing the square
y = 3x2 -6x - 20

13. Quadratic Formula

14. Discriminant b2 - 4ac Use the discriminant to determine the number and
type of solutions of an equation:
Positive: __________________
Zero: __________________
Negative: ___________________

15. Graphing Inequalities
Solid Vs Dashed Graph