Unit 4 Assessment Review (Equations)

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing one or more variables.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Front

Translate: 'Four times a number'

Back

4x, where x is the number.

Front

Translate: 'Two more than a number'

Back

x + 2, where x is the number.

Front

What is the first step in solving the equation 4x + 2 = -18?

Back

Subtract 2 from both sides to isolate the term with the variable.

Front

What is the formula for calculating total cost when there is a fixed fee and a variable fee?

Back

Total Cost = Fixed Fee + (Variable Fee per unit * Number of units)