Question

FAN AND MEDAL

Consider the expression −2 + 5a + b + 2a − 5b.
Which term can be combined with 5a because they are like terms?

1)–2

2)b

3)2a

4)–5b

Answer 1

Which one is it?

Answer 2

Which term in that string is a like term to 5*a ?

Must have same variable in the same power.

Answer 3

Here's the trusty like terms chart again.

Answer 4

Is It -2?

Answer 5

@Directrix

Answer 6

"like terms" are terms that have the same variable(s) (or are a constant)

so, a like term with 5a will also be in the form __a

Answer 7

oh well then 2a?

Answer 8

yup!

Answer 9

we can combine 5a and 2a since they're both a's

Answer 10

thank you