Evaluating Algebraic Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. It does not have an equality sign.

Front

What are the terms of the expression 5x - 3y + 4?

Back

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

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting numbers for the variables.

Front

What is the coefficient in the expression 7x + 2?

Back

The coefficient is 7, which is the number multiplied by the variable x.

Front

What is a constant in an algebraic expression?

Back

A constant is a fixed value that does not change, such as the number 2 in the expression 5x + 2.

Front

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

Back

You distribute to get 3x + 12.

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

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

Back

The value is 13.

Front

What is the value of the expression 6(x + 5) when x = 2?

Back

The value is 42.

Front

What does the term 'distributive property' refer to?

Back

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