Unit 1 Expression Test Review

Front

What is the expression modeled by the equation?

Back

−3x + 4

Front

Back

-8/27

Front

Back

The quotient of four and the absolute value of three times a number.

Front

Translate the verbal expression "Triple the difference of the square of a number and eight" into an algebraic expression.

Back

Front

What is an algebraic expression?

Back

An expression that contains numbers, variables, and operations.

Front

Define absolute value.

Back

The distance of a number from zero on the number line, always non-negative.

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 a verbal expression?

Back

A description of a mathematical expression using words.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.

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).