Math 7 Equations ... Word Problem Setup

Front

What is a variable in an equation?

Back

A symbol, often a letter, that represents an unknown value in an equation.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is a linear equation?

Back

An equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

What is the purpose of a constant in an equation?

Back

A fixed value that does not change, often representing a starting point or initial condition.

Front

How do you isolate a variable in an equation?

Back

By performing inverse operations to get the variable alone on one side of the equation.

Front

What is the equation for total cost when there is a flat fee and a variable cost?

Back

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

Front

What does it mean to set up an equation from a word problem?

Back

To translate the information given in the problem into a mathematical equation.

Front

What is the first step in solving a word problem involving equations?

Back

Identify the variables and what they represent in the context of the problem.

Front

What is the significance of the equal sign in an equation?

Back

It indicates that the expressions on both sides have the same value.

Front

How can you check if your solution to an equation is correct?

Back

By substituting the solution back into the original equation to see if both sides are equal.