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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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