Combining like terms

Front

What does it mean to combine like terms?

Back

Combining like terms means to simplify an expression by adding or subtracting terms that have the same variable raised to the same power.

Front

What is a term in an algebraic expression?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both, separated by addition or subtraction.

Front

What is a coefficient?

Back

A coefficient is a numerical factor in a term that multiplies a variable. For example, in 4x, 4 is the coefficient.

Front

How do you identify like terms?

Back

Like terms are terms that have the same variable raised to the same power. For example, 3x and 5x are like terms, but 3x and 4y are not.

Front

Simplify: 5 + 11y + 2

Back

11y + 7

Front

How many terms are in the expression: q + 4r - 18 + 2^3 - 1?

Back

5

Front

Simplify: 15x + 19 + 2x + 4

Back

17x + 23

Front

What is the variable in the expression: q + 4r - 18 + 2^3 - 1?

Back

The variables are q and r.

Front

How many variables are in the expression: q + 4r - 18 + 2^3 - 1?

Back

2

Front

What is the constant in the expression: q + 4r - 18 + 2^3 - 1?

Back

The constant is -18 + 8 - 1 = -11.