Presentation is loading. Please wait.

Presentation is loading. Please wait.

QUADRATIC FUNCTIONS AND EQUATIONS Ch. 4.5 Quadratic Equations EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION.

Published byDarcy Fields Modified over 9 years ago

Similar presentations

Presentation on theme: "QUADRATIC FUNCTIONS AND EQUATIONS Ch. 4.5 Quadratic Equations EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION."— Presentation transcript:

1 QUADRATIC FUNCTIONS AND EQUATIONS Ch. 4.5 Quadratic Equations EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

2 BELL WORK 1.What is the expression in factored form? 5x 2 – 18x – 8 2. Read over page 226 to fill in the box. EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING. Zero of a Function

3 REVIEW 1. What is the graph of y = (x – 2) 2 – 3 (Vertex Form) 2. What is the graph of -3|x| + 4? (Vertex Form) 3. What is the graph of x 2 + 2x + 3? (Standard) EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

4 RANDOMNESS… Pass out take home quiz (this is DUE THURSDAY) Reminder- Piecewise Functions from this past Thursday is DUE TOMORROW. If you need help, you can see me during PH. Pass out ID cards. EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

5 ESSENTIAL UNDERSTANDING EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

6 SOLVING A QUADRATIC BY FACTORING EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

7 SOLVING A QUADRATIC BY FACTORING EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

8 SOLVING A QUADRATIC BY FACTORING Now you try… EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

9 THINK What is the difference between asking you to factor this equation, and asking for the solutions of this equation? X 2 + 3x + 2 EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

10 SOLVING A QUADRATIC BY GRAPHING EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

11 SOLVING A QUADRATIC BY GRAPHING EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING. X 2 + 6x + 8 = 0

12 SOLVING A QUADRATIC BY GRAPHING Now you try… What are the solutions? x 2 – 2x – 24 = 0 EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

13 EXIT TICKET (On your bell sheet) Describe what the zero of a function is. How can you use this information to help you graph a quadratic function? EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION BY FACTORING.

Download ppt "QUADRATIC FUNCTIONS AND EQUATIONS Ch. 4.5 Quadratic Equations EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY FACTORING? I WILL SOLVE A QUADRATIC EQUATION."

Similar presentations

6-5 The Quadratic Formula and the Discriminant

6-5 The Quadratic Formula and the Discriminant
Solving quadratic equations Factorisation Type 1: No constant term Solve x 2 – 6x = 0 x (x – 6) = 0 x = 0 or x – 6 = 0 Solutions: x = 0 or x = 6 Graph.

Solving quadratic equations Factorisation Type 1: No constant term Solve x 2 – 6x = 0 x (x – 6) = 0 x = 0 or x – 6 = 0 Solutions: x = 0 or x = 6 Graph.
7 January 2011 Algebra 2. Solving Quadratics by Graphing 1/7 Using a Graph To solve a quadratic equation with a graph, look for the points where the graph.

7 January 2011 Algebra 2. Solving Quadratics by Graphing 1/7 Using a Graph To solve a quadratic equation with a graph, look for the points where the graph.
Solving Quadratic Equations

Solving Quadratic Equations
Solving quadratic equations by graphing. X Y I x² - 2x = 3 You have to rewrite the equation to find the vertex before you can graph this function Use.

Solving quadratic equations by graphing. X Y I x² - 2x = 3 You have to rewrite the equation to find the vertex before you can graph this function Use.
Chapter 10.7 Notes: Solve Quadratic Equations by the Quadratic Formula Goal: You will solve quadratic equations by using the Quadratic Formula.

Chapter 10.7 Notes: Solve Quadratic Equations by the Quadratic Formula Goal: You will solve quadratic equations by using the Quadratic Formula.
Do Now : Evaluate when x = 6, y = -2 and z = 3. 6-5 The Quadratic Formula and the Discriminant Objectives Students will be able to: 1)Solve quadratic.

Do Now : Evaluate when x = 6, y = -2 and z = The Quadratic Formula and the Discriminant Objectives Students will be able to: 1)Solve quadratic.
Solving Quadratic Equations by Factoring January 6, 2015 Pages 48-49.

Solving Quadratic Equations by Factoring January 6, 2015 Pages
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.

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.
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.

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.
Example: 3x 2 + 9x + 6. Solving Quadratic Equations.

Example: 3x 2 + 9x + 6. Solving Quadratic Equations.
Algebra 1 Ch.10 Notes Page 81 P81 10-4 Factoring to Solve Quadratic Equations.

Algebra 1 Ch.10 Notes Page 81 P Factoring to Solve Quadratic Equations.
Expressions, Equations and Inequalities Ch. 1.6 Absolute Value Equations and Inequalities EQ: How can you solve absolute value equations and inequalities?

Expressions, Equations and Inequalities Ch. 1.6 Absolute Value Equations and Inequalities EQ: How can you solve absolute value equations and inequalities?
6-2 Solving Quadratic Equations by Graphing

6-2 Solving Quadratic Equations by Graphing
QUADRATIC FUNCTIONS AND EQUATIONS Ch. 4.6 Completing the Square EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY COMPLETING THE SQUARE? I WILL SOLVE QUADRATIC.

QUADRATIC FUNCTIONS AND EQUATIONS Ch. 4.6 Completing the Square EQ: HOW CAN YOU SOLVE A QUADRATIC EQUATION BY COMPLETING THE SQUARE? I WILL SOLVE QUADRATIC.
Roots, Zeroes, and Solutions For Quadratics Day 2.

Roots, Zeroes, and Solutions For Quadratics Day 2.
Linear Systems CH. 3.1 SOLVING SYSTEMS USING GRAPHS EQ: How can I solve a system using tables and graphs? I will solve a system using tables and graphs.

Linear Systems CH. 3.1 SOLVING SYSTEMS USING GRAPHS EQ: How can I solve a system using tables and graphs? I will solve a system using tables and graphs.
LINEAR SYSTEMS Ch. 3.2 Solving Systems Algebraically EQ: HOW CAN I SOLVE SYSTEMS ALGEBRAICALLY? I WILL SOLVE SYSTEMS ALGEBRAICALLY.

LINEAR SYSTEMS Ch. 3.2 Solving Systems Algebraically EQ: HOW CAN I SOLVE SYSTEMS ALGEBRAICALLY? I WILL SOLVE SYSTEMS ALGEBRAICALLY.
11-2 Solving Quadratic Equations By Graphing

11-2 Solving Quadratic Equations By Graphing
Section 5-4(e) Solving quadratic equations by factoring and graphing.

Section 5-4(e) Solving quadratic equations by factoring and graphing.

Similar presentations

Ads by Google