Identifying Parts of an Expression & Evaluating

Front

What is a coefficient in an expression?

Back

A coefficient is a numerical factor that multiplies a variable in an expression.

Front

Identify the constant in the expression: 4x + 9.

Back

The constant is 9.

Front

What is a variable in an expression?

Back

A variable is a symbol (usually a letter) that represents an unknown value.

Front

What is a term in an expression?

Back

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

Front

Evaluate the expression 5 + 3 when x = 2.

Back

5 + 3 = 8.

Front

What is the coefficient of y in the expression 7y - 4?

Back

The coefficient of y is 7.

Front

Identify the constant in the expression: 2a + 3b + 10.

Back

The constant is 10.

Front

Evaluate the expression 12 ÷ 3 for x = 12.

Back

12 ÷ 3 = 4.

Front

What is the coefficient of x in the expression 6 + 4x - 2?

Back

The coefficient of x is 4.

Front

Identify the variable in the expression: 5m + 2.

Back

The variable is m.