Question

Which of the following best describes the expression 2a + 3b + 4c + 5d?

a.) the product of four sums; there are four terms
b.) the product of four sums; there are eight terms.
c.) the sum of four products; there are four terms
d.) the sum of four products, there are eight terms

Answer 1

C) the sum of four products; there are four terms.

you can easily cancel out B and D. there are only four terms not eight. The letters dont count as a terms, they are variables.

Answer 2

Option C The expression is the sum of four products; there are four terms

Explanation:

we have

`2a + 3b + 4c + 5d`

we know that

The expression is the sum of four terms

Each term is a product

so

there are four products

therefore

The expression is the sum of four products; there are four terms