Presentation is loading. Please wait.

Presentation is loading. Please wait.

Factoring Day 2 I can factor a quadratic expression. x 2 – 8x + 15 Rewrite as (x – 3)(x – 5)

Published byLewis Howard Modified over 8 years ago

Similar presentations

Presentation on theme: "Factoring Day 2 I can factor a quadratic expression. x 2 – 8x + 15 Rewrite as (x – 3)(x – 5)"— Presentation transcript:

1 Factoring Day 2 I can factor a quadratic expression. x 2 – 8x + 15 Rewrite as (x – 3)(x – 5)

2 x 2 – 8x + 15 x2x2 15 -5x -3x Greatest Common Factor x-5 x -3 Greatest Common Factor Factored form: (x – 5)(x – 3) x (mult ac): + (add to b) : a= b= c= 1 -8 15 -8 -3 -5 List the factors of 15 1, 15 3, 5 Multiplying to a positive Adding to a negative Sign choices: + - + - - +

3 x 2 – 2x – 15 x2x2 -15 -5x 3x3x Greatest Common Factor x-5 x +3 Greatest Common Factor Factored form: (x – 5)(x + 3) x (mult ac): + (add to b) : a= b= c= 1 -2 -15 -2 3 -5 List the factors of 15 1, 15 3, 5 Multiplying to a negative Adding to a negative Sign choices: + - + - - +

4 x 2 + 3x – 40 x2x2 -40 -5x 8x8x Greatest Common Factor x-5 x +8 Greatest Common Factor Factored form: (x – 5)(x + 8) x (mult ac): + (add to b) : a= b= c= 1 3 -40 3 8 -5 List the factors of 40 1, 40 2, 20 Multiplying to a negative Adding to a positive Sign choices: + - + - - + 4, 10 5, 8

5 x 2 – 16 x2x2 -16 -4x 4x4x Greatest Common Factor x-4 x +4 Greatest Common Factor Factored form: (x – 4)(x + 4) x (mult ac): + (add to b) : a= b= c= 1 0 -16 0 4 -4 List the factors of 16 1, 16 2, 8 Multiplying to a negative Adding to zero---signs must be opposite!!! Sign choices: + - + - - + 4, 4

6 x 2 – 3x – 28 x2x2 -28 -7x 4x4x Greatest Common Factor x-7 x +4 Greatest Common Factor Factored form: (x – 7)(x + 4) x (mult ac): + (add to b) : a= b= c= 1 -3 -28 -3 4 -7 List the factors of 28 1, 28 2, 14 Multiplying to a negative Adding to a negative Sign choices: + - + - - + 4, 7

7 I can factor a quadratic expression. x 2 – 8x + 15 Rewrite as (x – 3)(x – 5) Assignment: Ws: Factoring 2

Download ppt "Factoring Day 2 I can factor a quadratic expression. x 2 – 8x + 15 Rewrite as (x – 3)(x – 5)"

Similar presentations

REVIEW: Seven Steps for Factoring a Quadratic Polynomial (or a polynomial in quadratic form)

REVIEW: Seven Steps for Factoring a Quadratic Polynomial (or a polynomial in quadratic form)
Introduction Recall that a factor is one of two or more numbers or expressions that when multiplied produce a given product. We can factor certain expressions.

Introduction Recall that a factor is one of two or more numbers or expressions that when multiplied produce a given product. We can factor certain expressions.
Complex Numbers Section 2.1. Objectives Rewrite the square root of a negative number as a complex number. Write the complex conjugate of a complex number.

Complex Numbers Section 2.1. Objectives Rewrite the square root of a negative number as a complex number. Write the complex conjugate of a complex number.
Essential Question: How is FOIL related to factoring?

Essential Question: How is FOIL related to factoring?
INTEGERS: adding, subtracting, multiplying, and dividing

INTEGERS: adding, subtracting, multiplying, and dividing
ADDING, SUBTRACTING, MULTIPLYING, AND DIVIDING POSITIVE AND NEGATIVE NUMBERS BY: WILL, CODYR., AND AYLA.

ADDING, SUBTRACTING, MULTIPLYING, AND DIVIDING POSITIVE AND NEGATIVE NUMBERS BY: WILL, CODYR., AND AYLA.
Integer Rules. Adding with the same sign Rules Rules Add like normal Add like normal Keep the sign Keep the sign Examples Examples -12 + -10 = -22 (all.

Integer Rules. Adding with the same sign Rules Rules Add like normal Add like normal Keep the sign Keep the sign Examples Examples = -22 (all.
Addition and Subtraction with Like Denominators Let p, q, and r represent polynomials where q ≠ 0. To add or subtract when denominators are the same,

Addition and Subtraction with Like Denominators Let p, q, and r represent polynomials where q ≠ 0. To add or subtract when denominators are the same,
Notes Over 5.4 Imaginary Numbers.

Notes Over 5.4 Imaginary Numbers.
Operations: Add, Subtract, Multiply, Divide

Operations: Add, Subtract, Multiply, Divide
Multiplying Rational Numbers Essential Question: How do you multiply rational numbers? Unit 1-4.

Multiplying Rational Numbers Essential Question: How do you multiply rational numbers? Unit 1-4.
A dding two negative integers: add the absolute values the answer is negative Adding a negative and a positive number: subtract the absolute values the.

A dding two negative integers: add the absolute values the answer is negative Adding a negative and a positive number: subtract the absolute values the.
Addition, Subtraction, Multiplication, and Division of Integers

Addition, Subtraction, Multiplication, and Division of Integers
Factoring Tutorial.

Factoring Tutorial.
12.6A Adding Rational Expressions with SAME denominators.

12.6A Adding Rational Expressions with SAME denominators.
9.4 factoring to solve quadratic equations.. What are the roots of a quadratic function? Roots (x-intercepts): x values when y = 0 ( ___, 0) How do you.

9.4 factoring to solve quadratic equations.. What are the roots of a quadratic function? Roots (x-intercepts): x values when y = 0 ( ___, 0) How do you.
Essential Question: What is the first step for simplifying an exponential expression that contains negative exponents?

Essential Question: What is the first step for simplifying an exponential expression that contains negative exponents?
Integers All whole numbers and their opposites including the number 0.

Integers All whole numbers and their opposites including the number 0.
Objective - To subtract integers. To subtract an integer is to add its opposite. a - b =a + -b 7 - 10 =7 + -10 8 - (-5) =8 + 5 = 6 + -2= 4 Rewrite the.

Objective - To subtract integers. To subtract an integer is to add its opposite. a - b =a + -b = (-5) =8 + 5 = = 4 Rewrite the.
Subtracting Integers Algebraically. How to Subtract Integers Algebraically 1.Rewrite the problem  Keep the first number the same  Change the problem.

Subtracting Integers Algebraically. How to Subtract Integers Algebraically 1.Rewrite the problem  Keep the first number the same  Change the problem.

Similar presentations

Ads by Google