Chapter 4.2, Problem 1CYU

To determine

To identify: Terms in the given expression.

Answer to Problem 1CYU

Like terms: $-2a\text{ and }3a$

Constant:No constant

Coefficient: $-2,3\text{and 5}$

Explanation of Solution

Given information:

  $-2a+3a+5b$

Concept Used:

An algebraic expression consists of variable and constants with different operators like addition, subtraction, multiplication and division between them.

In an algebraic expression, different parts of the expression separated by subtraction or addition operators are known as terms.

The numeric part of the term with variables is known as coefficient.

Terms with same variables are known as like terms

Calculation:

Basis the definition-

  $-2a\text{ and }3a$ are like terms as their variables are same.

There is no constant.

Coefficient is