Simplifying Expressions

Front

What is a coefficient in an expression?

Back

A coefficient is a numerical factor that multiplies a variable in an expression. For example, in 5x, 5 is the coefficient.

Front

Identify the like terms in the expression: 2x + 3x - 4y + 5y.

Back

The like terms are 2x and 3x, and -4y and 5y.

Front

Simplify the expression by combining like terms: 4x^2 - 3x + 11 - 2x.

Back

4x^2 - 5x + 11.

Front

In the expression 3y, what is the coefficient?

Back

The coefficient is 3.

Front

Simplify the expression: 5(2 - 7n).

Back

10 - 35n.

Front

What are like terms?

Back

Like terms are terms that have the same variable raised to the same power. For example, 2x and 3x are like terms.

Front

What is the constant term in the expression 4x^2 - 5x + 11?

Back

The constant term is 11.

Front

How do you combine like terms?

Back

To combine like terms, add or subtract the coefficients of the terms that have the same variable and exponent.

Front

What is the difference between a variable and a constant?

Back

A variable is a symbol that represents an unknown value, while a constant is a fixed value that does not change.

Front

Simplify the expression: 7x + 2x - 4x.

Back

5x.