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. For example, 3x + 5 is an algebraic expression.

Front

How do you evaluate an algebraic expression?

Back

To evaluate an algebraic expression, substitute the values of the variables into the expression and perform the operations.

Front

Evaluate the expression: 3x when x=5.

Back

15

Front

Evaluate the expression: 10B + 3 when B=12.

Back

123

Front

What does the variable represent in an algebraic expression?

Back

A variable represents an unknown value that can change or vary.

Front

Evaluate the expression: C + 3 + C when C=2.

Back

7

Front

Evaluate the expression: 3R + 2 when R=2.

Back

8

Front

What is the value of H in the expression 9H when H=5?

Back

45

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable. In 4x, 4 is the coefficient.

Front

What is a constant in an algebraic expression?

Back

A constant is a fixed value that does not change. For example, in the expression 3x + 5, 5 is a constant.