Front

Evaluate the expression: 9 + 2 * 5

Back

19

Front

Evaluate the expression: -9 - 4

Back

-13

Front

Back

39 - 14x

Front

Evaluate the expression: -12 + (-13)

Back

-25

Front

A constant term has ______.

Back

no variables

Front

What is the order of operations in mathematics?

Back

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

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value, often denoted by letters such as x, y, or z.

Front

What does it mean to simplify an expression?

Back

To reduce it to its simplest form by combining like terms and performing operations.

Front

What is the result of multiplying a negative number by a positive number?

Back

The result is a negative number.

Front

What is the result of adding two negative numbers?

Back

The result is a negative number.