Question

Select all that are like terms to 5a5b4.

Answer 1

Answer:

1.a5b4

4.-a5b4

5.9a5b4

Answer 2

Rewriting the expression: $5a^5b^4$
We have two terms inside the expression; the $a^5$ and $b^4$

Option one: 
$a^5b^4$ ⇒ this is a like terms since it also has $a^5$ and $b^4$

Option two:
$5a^4b^5$ ⇒ This expression has $a^4$ and $b^5$ which aren't the same with the original expression.

Option three:
$-2a^5$ ⇒ This expression only has the term $a^5$, so it isn't a like term with the original expression.

Option four:
$-a^5b^4$ ⇒ This expression has two terms, $a^5$ and $b^4$ which are the same terms with the original expression.

Option five:
$9a^5b^4$ ⇒ This expression has two terms, $a^5$ and $b^4$ which are the same with the original expression.

Option six:
$2a^5b^5$ ⇒ This expression has two terms, $a^5$ and $b^5$ which aren't exactly the same terms with the original expression.

Option seven:
$6b^4$ ⇒ This expression only has one term, which isn't exactly the same with the original expression.

Answers: Option 1, 4 , and 5