8.4 Checkpoint

Front

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

Back

74

Front

Evaluate when a = 15: 2(a - 5) + 2

Back

22

Front

Evaluate 2a + 4b if a = 10 and b = 6

Back

44

Front

Evaluate 3x + 8 if x = 2

Back

14

Front

Evaluate b² + 4 when b = 3

Back

13

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width)

Front

What is the order of operations in mathematics?

Back

PEMDAS (Parentheses, Exponents, Multiplication and Division, Addition and Subtraction)

Front

What does 'evaluate' mean in mathematics?

Back

To calculate the value of an expression.

Front

What is a variable in mathematics?

Back

A symbol used to represent a number that can change.