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## Quadratic Equations and Complex Numbers

###### 3.1 Solving Quadratic Equations

###### Solve by factoring:

###### HW: Factoring WS with KEY

###### Solve using Square Roots:

###### HW: 3.1 Solving Quadratics by Taking Square Roots WS and Key

###### 3.2 Complex Numbers

###### Simplifying radicals with a negative in the radical

###### Solving Quadratics by taking the square root (with complex answers)

###### HW: 3.2 pg 108(#5-12, 23-29 odd, 37-43 odd, 49-54)

###### Complex Conjugates (not in textbook): How to divide complex numbers using a conjugate

###### 3.1-3.2 Quiz

###### 3.3 Completing the Square

###### Tutorial: Completing the Square

###### HW: 3.3 (#3-7, 25-28) & Level up WS (do any 10)

###### 3.4 Solving Quadratic Equations by using the Quadratic Formula

###### Tutorial and examples (look at page 1 & 2 for quadratic formula examples, & page 3 for an explanation of the discriminant)

###### HW: 3.4 pg 127 (#5-17 odd, 33, 34) highlight the discriminant & identify the number/type of solutions for each

###### Choose the best method Square Roots, Factoring, Completing the Square

###### 3.3 pg 117 (#41-50)

###### 3.5 Solving Systems of Nonlinear Equations

###### By Graphing:

###### By Elimination and Substitution:

###### 3.5 pg 136 (#4-10 even, 11-14, 16-24 even, 28-34 even, 37-39)

###### 3.6 Graphing Quadratic Inequalities & Systems of Quadratic Inequalities

###### 3.6 pg 144 (#3-6, 7-13 odd, 17-18, 21-31 odd) Graph 27-31 on a number line

###### Chapter 3 Review Packet and Key

###### Report your Chapter 3 test scores here!

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