Question

Which statement is true about 4 + 2x is true

1. 4+2x is a sum.
2. 4+2x is a product
3. there are 2 variables in 4+2x
4. the coefficient of x is 4

Answer 1

1. 4+2x is a sum

Explanation:

In the expression

4 + 2x

there are two adding terms: 4 and 2x

the first term is a constant and the second term has only one variable (x)

the coefficient of x is 2

The analysis gives un only one correct choice:

1. 4+2x is a sum