Variables and Expressions 5.1

Front

Evaluate 8a - b if a = 10 and b = 6

Back

74

Front

Name the variable in the expression: 20 - 2x

Back

x

Front

Evaluate 5g if g = 4

Back

20

Front

Which expression shows a number (n) split equally into 4 groups?

Back

n ÷ 4

Front

If a = 5, b = 3, and c = 1.5, what is a + c?

Back

6.5

Front

What is a variable?

Back

A symbol used to represent a number that can change.

Front

What is an expression?

Back

A combination of numbers, variables, and operations.

Front

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

Back

17

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 7y?

Back

7