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1) What does x have to be for 3x = 0? 1) What does x have to be for 3(x -2) = 0 2) What does x have to be for (x–2) (x+3) = 0
Before you leave today, you should be able to: ◦ Solve quadratic equations by factoring. ◦ Solve quadratic equations by graphing. CCRS: 11, 16, 69
Step 1: Solve for zero Step 2: Factor, if you can. Step 3: Use the Zero Product Property to find what x equals.
a) What are the solutions of the quadratic equation x 2 – 5x + 6 = 0? b) What are the solutions of the quadratic equation x 2 – 7x = -12?
1) Solve x 2 + 6x + 8 = 0 by factoring. 2) Solve x 2 – 4x = 0 by factoring. 3) Solve x 2 – 10x + 25 = 0 by factoring.
13-1 Introduction to Quadratic Equations CA Standards 14.0 and 21.0 Quadratic Equations in Standard Form.
Solving Quadratic Equations
DO NOW: FACTOR EACH EXPRESSION COMPLETELY 1) 1) 2) 3)
Equations Reducible to Quadratic
Chapter 10.7 Notes: Solve Quadratic Equations by the Quadratic Formula Goal: You will solve quadratic equations by using the Quadratic Formula.
Learning Task/Big Idea: Students will learn how to find roots(x-intercepts) of a quadratic function and use the roots to graph the parabola.
Example: 3x 2 + 9x + 6. Solving Quadratic Equations.
Notes for April 28 th Answers to Warm-Up (x – 4)(x – 7)4.(6x + 9)(3x – 3)
Factor. 1)x² + 8x )y² – 4y – 21. Zero Product Property If two numbers multiply to zero, then either one or both numbers has to equal zero. If a.
Algebra 1 Ch.10 Notes Page 81 P Factoring to Solve Quadratic Equations.
10-3 Solving Quadratic Equations. Quadratic Function (y = ax 2 +bx+c) Quadratic Equation ( ax 2 +bx+c=0)
6-2 Solving Quadratic Equations by Graphing
To add fractions, you need a common denominator. Remember!
Get out your notebooks! You will be able to solve quadratic equations by graphing. You will be able to estimate solutions of quadratic equations by graphing.
An equation in the form … … can be solved using two methods discussed previously. Solving Equations Containing Trinomials 1.Factoring Method 2.Graphing.
5-5 Solving Quadratic Equations Objectives: Solve quadratic equations.
The Quadratic Formula Students will be able to solve quadratic equations by using the quadratic formula.
Do Now 1) Factor. 3a2 – 26a + 35.
Example 1A Solve the equation. Check your answer. (x – 7)(x + 2) = 0
11-2 Solving Quadratic Equations By Graphing
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