Question

Which of the following represents the GCF of 98 ab 3 and 231 a 3 ?

7 a
7 a 3
7
7 a 3b 3

Answer 1

7a

Explanation:

we know this, because there is no b in the second polynomial. Therefore, there cannot be a b in the answer. There is also no b^3 in the second polynomial, so there cannot be a ^3