What I Know Choose the letter of the correct answer. Write your answer on a separate sheet of paper.
1. What is the Greatest Common Factor of 24 and 54?
A. 1 B. 2 C. 3 D. 6
2. What is the GCF of 20, 24, and 40?
A. 1 B. 4 C. 8 D. 20
3. What is the GCF of 2 and 9 ? A. 2 B. 7 C. 11 D. 18
4. What is the GCF of 10 , 4 6 , 9 9 , and 10 10? A. B. 6 C. 4 4 D. 4 6
5. What are the complete factors of the polynomial 7 − 7? A. 7( − 1) B. 7(1 − ) C. 7 – 1 D. 7( − 7)
6. What are the complete factors of 2 6 - 12 4 ? A. 2( 4 - 6 4 ) B. 2 5 ( − 6) C. 2 4 ( 2 − 6) D. 6 (2 2 − 12)
7. Which of the following is a perfect square expression? A. 3 2 B. 4 C. 9 3 D. 16 4
8. If one factor of the difference of two squares is x + 2, what is the other factor? A. − 2 B. 2 – 2 C. 2 – 2 2 D. ( − 2) 2
9. What is the complete factored form of 2 − 1 6? A. ( − 4) 2 B. ( − 8) 2 C. ( − 4) ( − 4) D. ( + 4) ( − 4) 3
10.What is the complete factored form of the expression 4 − 49? A. ( 2 ) 2 − (7 2 ) 2 B. ( 2 − 7) 2 C. ( 2 + 7) 2 D. ( 2 − 7) ( 2 + 7) 11.Which of the following polynomials has factors ( – 1)( + 1)? A. 2 − 1 B. 2 2 − 1 C. 2 − 1 D. 2 2 + 1
12.Which of the following expressions is a perfect cube? A. 8 B. 27 2 C. 64 6 D. 125 4
13.Which of the following is the complete factored form of the cubic polynomial 3 − 8? A. ( − 2)( 2 + 2 + 4) B. ( + 2)( 2 − 2 + 4) C. ( − 2)( 2 + 2 − 4) D. ( − 2)( 2 − 2 + 4)