Graphing Rational Equations

In the calculator

What is a rational equation?

• A rational equation has the independent variable (x) in the denominator.

• or

What does the graph look like?

This graph is called a hyperbola.(picture created using desmos.com/graphingcalculator)

What to remember!!!

• When you are typing the equations in the calculator, you must use parenthesis in the denominator.

• For example, must be typed as: y=1/(x-7)• If you don’t, you will probably get the wrong answer.