Evaluating Algebraic Expressions

Front

A variable is a

Back

letter that represents a number

Front

Which of the following expressions contains a variable? 7+3, 144÷12, 7 + 15n, 6(5)

Back

7 + 15n

Front

Evaluate 7a - 6 if a = 3.

Back

15

Front

Evaluate the expression: 3d if d = 5

Back

15

Front

Evaluate 3x + 8 if x = 2

Back

14

Front

What is an algebraic expression?

Back

An expression that contains numbers, variables, and operations.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of the expression by substituting variables with numbers.

Front

What is the coefficient in the expression 4x + 5?

Back

4

Front

What is the constant in the expression 3y + 7?

Back

7

Front

If x = 4, what is the value of 2x + 3?

Back

11