Expressions

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Front

What is a coefficient in an algebraic expression?

Back

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

Front

Evaluate the expression 5x + 3 for x = 2.

Back

The value is 13.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.

Front

How do you simplify the expression 2(3x + 4)?

Back

The simplified expression is 6x + 8.

Front

What is the value of the expression 24 - 4t when t = 4?

Back

The value is 8.

Front

How many terms are in the expression 2x + 4y + 8 - 2?

Back

There are 4 terms.

Front

What is the process of evaluating an expression?

Back

Evaluating an expression involves substituting values for variables and performing the operations.

Front

What does it mean to combine like terms in an expression?

Back

Combining like terms means to add or subtract terms that have the same variable raised to the same power.

Front

What is the distributive property in algebra?

Back

The distributive property states that a(b + c) = ab + ac.