7.10A reteach equations and inequalities

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing 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

What is a variable in mathematics?

Back

A variable is a symbol, often represented by letters, that stands for an unknown value in an equation or expression.

Front

What is a linear equation?

Back

A linear equation is an equation of the first degree, meaning it has no exponents greater than one, and it can be graphed as a straight line.

Front

What is the purpose of using inequalities?

Back

Inequalities are used to show the relationship between two expressions that are not necessarily equal, indicating that one is greater than, less than, or not equal to the other.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform operations to get the variable on one side of the equation and all other terms on the opposite side.

Front

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

Back

Total Cost = Fixed Fee + (Variable Cost per Unit * Number of Units)