Adding Algebraic Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 3x + 5 is an algebraic expression.

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

Simplify the expression: 2x + 3x.

Back

5x.

Front

What is the sum of the expressions (−x + 8) + (−5x − 1)?

Back

−6x + 7.

Front

Simplify the expression: 2d + 3 + d + 6.

Back

3d + 9.

Front

What is the result of simplifying 3 + 5x + 8 - 2x?

Back

3x + 11.

Front

Combine like terms: a + 2a + 7.

Back

3a + 7.

Front

Combine like terms: 6m + m - 4m.

Back

3m.

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents one or more numbers. For example, in the expression 2x, 'x' is the variable.

Front

What is a coefficient?

Back

A coefficient is a numerical factor in a term of an algebraic expression. For example, in 4x, 4 is the coefficient.