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Factor by Grouping. Oct. 10 and 13. Bell Ringer. Factor: 1. 2. Review. Factor the following by taking out the GCF:. Your Turn! Pull out a half sheet of paper and answer the following problems. We will be turning these in. . Factor By Grouping (4 terms ).
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Factor by Grouping Oct. 10 and 13
Bell Ringer Factor: • 1. • 2.
Review • Factor the following by taking out the GCF:
Your Turn! Pull out a half sheet of paper and answer the following problems. We will be turning these in.
Factor By Grouping (4 terms) • Step 1: See is there is a GCF in ALL the terms. • If there is, then take him out and write on the outside of brackets. • Step 2: Pair up your terms using parenthesis. • Step 3: Find the GCF of each pair and factor them out. • Step 4: Check that the remaining factors are the same. • Step 5: Factor the remaining ones out. • Stick them in their own set of parenthesis, and whatever is remaining in the other set. • Step 6: Check your answer.
Factor by the Box Method • Step 1: See is there is a GCF in ALL the terms. • If there is, then take him out and write on the outside of brackets. • Step 2: Plug your 4 terms into “the box”. • Step 3: Look at each column. Decide what the GCF is of each and write it on the top. • Step 4: Look at each row. Decide what the GCF is of each and write it on the left. • Step 5: Write the factors in parenthesis. • Step 6: Check your answer
Choose which method you like best and try it out! (on your half sheet of paper)
Homework! • 11.
Homework! • 18, 19, and 20 are extra credit! • They are tricky so be careful!