# MAT 221 MAT221 Week 5 Content Quiz Answers

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MAT 221 Week 5 Content Quiz

Question 1. Question : When looking at the problem given in the slideshow, Factor by Grouping, which is located in the media section of Chapter 5, the four terms are grouped in this way:

Question 2. Question : In the slideshow, GCF and the Sum of Two Cubes, which is located in the media section of Chapter 5, the first polynomial presented is factored completely at 2xy (x + 4) (x2 – 4x + 16).

Question 3. Question : When looking at the Video Example 64 – Factoring a Perfect Square Trinomial, which is located in the media section of Chapter 5, one key is to look at whether the first term and last term in the trinomial are perfect squares.

Question 4. Question : When looking at the problem given in the Video Example 66 – GCF is a Binomial, located in the media section of Chapter 5, there are two general terms in the expression that we can factor out. We factor out a –3 from each term

Question 5. Question : Using the first example in the slideshow, Factoring out the Greatest Common Factor, which is located in the media section of Chapter 5, the prime factorization for 48 using exponential notation is:

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