MAT/221 MAT221 MAT 221 WEEK 5 QUIZ

1.

Question :

When looking at 10y⁴ – 30y², which is the example in the Video Example 52 – Factor Out GCF of a Binomial, located in the media section of Chapter 5, we know how many y’s to factor out by determining how many y’s are in common with each term.

Student Answer:

 True

 False

Question 2.

Question :

When looking at the problem given in the Video Example 84 – Factoring Out the Opposite of the GCF, which is located in the media section of Chapter 5, we can multiply 2x² with what is in parentheses in the answer to check that the original problem is correct.

Student Answer:

 True

 False

Question 3.

Question :

When looking at the problem given in the slideshow, Factoring a Difference of Two Squares, which is located in the media section of Chapter 5, this is an example that works when a and b are any real numbers

Student Answer:

 True

 False

Question 4.

Question :

When looking at the Video Example 87 – Factoring Completely, which is located in the media section of Chapter 5, the answer is:

Student Answer:

 2a(x² – 7²)

 2a(x + 7)(x – 7)

 2a(x² – 49)

 2a(x – 7)(x – 7)

Question 5.

Question :

When looking at the problem given in the Video Example 52 – Factor Out GCF of a Binomial, located in the media section of Chapter 5, we can check our work by multiplying the answer back to see if it matches the original problem.

Student Answer:

 True

 False