Slide 1 Name:__________ warm-up 4-5 Simplify (5 + 7i) – (–3 + 2i).Solve 7x 2 + 63 = 0 Slide 2 What are the values of x and y when (4 + 2i) – (x + yi) = (2 + 5i)? Slide…

Slide 1 Section 1.5 Quadratic Equations Slide 2 Slide 3 Solving Quadratic Equations by Factoring Slide 4 Slide 5 Slide 6 Example Solve by factoring: Slide 7 Example Solve…

Slide 1 Section 8.1 Completing the Square Slide 2 Factoring Before today the only way we had for solving quadratics was to factor. x 2 - 2x - 15 = 0 (x + 3)(x - 5) = 0 x…

Slide 1 Factoring x 2 = 9 x 2 - 9 = 0 (x + 3)(x - 3) = 0 x + 3 = 0 or x - 3 = 0 x = -3 or x = 3 x = {-3, 3} Zero-factor property Slide 2 Another Way to Solve Quadratics Square…

Slide 1 Solving Quadratics by Completing the Square, continued Holt Chapter 5 Section 4 Slide 2 Warm Up Write each expression as a trinomial. Hint: Multiply 2. (3x + 5) 2…

Slide 1 Section 10.1 Solving Quadratic Equations by the Square Root Property Slide 2 OBJECTIVES Solve quadratic equations of the form B A Slide 3 DEFINITION Square Root Property…

Splash Screen Lesson Menu Five-Minute Check (over Lesson 9â3) CCSS Then/Now New Vocabulary Key Concept: Completing the Square Example 1: Complete the Square Example 2: Solve…

PowerPoint Presentation QUADRATICS JOURNAL Amani Mubarak 9-5 How to factor polynomials 2X²-8X+6 1.First multiply aXc. 2.Now find two factors of that multiply to the answer…

8/31/15 Alg 2 8/31/15 Alg 2 Bellwork 8/31/15 X F(x) 0 1 2 3 4 How do I know what x-values to use? You need at least 5 x-values. The âmiddleâ x-value should be the x-value…

Lesson 2.2, page 273 Quadratic Functions Objectives Recognize characteristics of parabolas. Graph parabolas. Determine a quadratic function’s minimum or maximum value.…