Do NOW Factor (2x–2y4)5/2 Factor and simplify, (2x – y)4 4/7/2019 7:27 AM 3.4 - Factoring with GCF
Worksheet Key 4/7/2019 7:27 AM 3.4 - Factoring with GCF
4/7/2019 7:27 AM 3.4 - Factoring with GCF
Example 9 You have a $10 gift card to a paint store. The store is offering 15% off your entire purchase of any paints and painting supplies. You decide to purchase a $30 can of paint and $25 worth of painting supplies. You have the option to use the gift card or the discount first. Which one should you first? Justify your reasoning. Total amount of paying for paint: Function for the $10 gift card: Function for the 15% discount: 4/7/2019 7:27 AM 6.3 - Function Operations
Example 9 You have a $10 gift card to a paint store. The store is offering 15% off your entire purchase of any paints and painting supplies. You decide to purchase a $30 can of paint and $25 worth of painting supplies. You have the option to use the gift card or the discount first. Which one should you first? Justify your reasoning. Use the 15% discount first: Use the Gift Card first: 4/7/2019 7:27 AM 6.3 - Function Operations
4/7/2019 7:27 AM 3.4 - Factoring with GCF
Section 6-4 Viet.dang@humble.k12.tx.us Factoring with the GCF Section 6-4 Viet.dang@humble.k12.tx.us 4/7/2019 7:27 AM 3.4 - Factoring with GCF
Review Find the Greatest Common Factor (GCF) of 28 and 40 4/7/2019 7:27 AM 3.4 - Factoring with GCF
Example 1 Find the Greatest Common Factor (GCF) of 15, 18, and 66 3.4 - Factoring with GCF
Example 2 Find the Greatest Common Factor (GCF) of x3, x7, and x5 3.4 - Factoring with GCF
Your Turn Find the Greatest Common Factor (GCF) of x3 y2, x7, and x5 4/7/2019 7:27 AM 3.4 - Factoring with GCF
STEPS IN FACTORING POLYNOMIALS Determine if there is a GCF in the polynomial. If there is, divide the whole equation by the GCF. Put aside the GCF and focus on the factored equation Factor out the polynomial (put in parentheses) Bring in the GCF into equation and the factored polynomial 4/7/2019 7:27 AM 3.4 - Factoring with GCF
Example 3 Factor: 6x + 18 4/7/2019 7:27 AM 3.4 - Factoring with GCF
Example 4 Factor: 5x3 – 35x2 + 10x 4/7/2019 7:27 AM 3.4 - Factoring with GCF
Example 5 Factor: 25x4y + 15x3y + 5x2y 4/7/2019 7:27 AM 3.4 - Factoring with GCF
Your Turn Factor: 15x2y4 + 20x3y5 + 5x3y3 4/7/2019 7:27 AM 3.4 - Factoring with GCF
Steps by Factor by Grouping Draw a line in between the two equations Factor the GCF on both sides and bring down the sign Make sure the parentheses the same and bring it down Bring down both coefficients & create the factor Always bring down the sign from the second factor Order does not matter in terms of the factors 4/7/2019 7:27 AM 3.4 - Factoring with GCF
Example 6 Factor: a2(b + 1) + 2(b + 1) 4/7/2019 7:27 AM 3.4 - Factoring with GCF
Example 7 Factor: 5ax – 5ab – 2bx + 2b2 4/7/2019 7:27 AM 3.4 - Factoring with GCF
Your Turn Factor: 3x2 + 4xy – 3x – 4y 4/7/2019 7:27 AM 3.4 - Factoring with GCF
Example 8 Factor: x4 – 81 4/7/2019 7:27 AM 3.4 - Factoring with GCF
Example 9 Factor: x4 – 625 4/7/2019 7:27 AM 3.4 - Factoring with GCF
Your Turn Factor: x4 – 1 4/7/2019 7:27 AM 3.4 - Factoring with GCF
Assignment Worksheet 4/7/2019 7:27 AM 3.4 - Factoring with GCF