Unit 2 Test - Expressions

Front

If d = 7, what is the value of 2d - 3?

Back

11

Front

the sum of 10 and n divided by 9

Back

10 + n ÷ 9

Front

Solve the following: (2 + 7 - 1) ÷ 2²

Back

2

Front

Find the result of 6e - 8 when e = 5

Back

22

Front

The quotient of six and a number.

Back

6 ÷ x

Front

What is an expression in mathematics?

Back

A combination of numbers, variables, and operators (like +, -, ×, ÷) that represents a value.

Front

What does it mean to evaluate an expression?

Back

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

Front

What is a variable in mathematics?

Back

A symbol (often a letter) that represents an unknown value.

Front

What is the order of operations?

Back

The rules that dictate the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right) - often abbreviated as PEMDAS.

Front

What is a coefficient?

Back

A numerical factor in a term of an expression, e.g., in 3x, 3 is the coefficient.