Evaluating Expressions

Front

Evaluate 3x - 7 if x = 6

Back

11

Front

Evaluate the expression when x = 5 and z = 4: z^2 - 2x

Back

6

Front

Evaluate 6y - 13 if y = 4

Back

11

Front

What is the product of 4 and p?

Back

4p

Front

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

Back

22

Front

What does it mean to evaluate an expression?

Back

To find the value of an expression by substituting numbers for variables.

Front

What is a variable in mathematics?

Back

A symbol (like x or y) that represents a number that can change.

Front

What is an expression?

Back

A combination of numbers, variables, and operations (like +, -, *, /) without an equals sign.

Front

What is the order of operations?

Back

PEMDAS: Parentheses, Exponents, Multiplication and Division (left to right), Addition and Subtraction (left to right).

Front

Evaluate 2x + 3 when x = 4

Back

11