Home
#### Algebra and Pre-Algebra Lessons

Algebra 1 | Pre-Algebra | Practice Tests | Algebra Readiness Test
#### Algebra E-Course and Homework Information

Algebra E-course Info | Log In to Algebra E-course | Homework Calculator
#### Formulas and Cheat Sheets

Formulas | Algebra Cheat Sheets

Home » Functions »
Linear Functions

# Linear Functions

## Example 1

## Example 2

## Example 3

# Like This Page?

## More Function Lessons You Might Like

If you studied the writing equations unit, you learned how to write equations given two points and given slope and a point. We are going to use this same skill when working with functions. The only thing different is the function notation.

You first must be able to identify an ordered pair that is written in function notation. This can be a little tricky, but hopefully when you see this example, it will all make sense. Remember that "f(x)" is really just a fancy notation for what is really the "y" variable.

Ok.. now that you know how to write an ordered pair from function notation, let's look at an example of how we must use function notation to graph two points on a grid.

Ok, that was pretty easy, right? Yes...now do you see how Math has that spiral effect? You already knew this skill, but it's coming back in a different format.

Next we are going to take it one step further and find the slope of the graph for a linear function. Take a look at this example.

Yes, that was easy! Once you have the ordered pairs, you can use the slope formula to find the slope. Do you see how it all ties together?

Now, let's take it one step further. We are going to find an equation for a linear function. Notice how we use steps from example 2 to start this problem.

Is it all coming back to you now? Remember that in this particular function lesson, you really aren't learning any new material. You are applying what you know about equations and simply stating your answer in a much fancier format.

We will continue studying linear functions in the next lesson, as we have a lot to cover. Keep going, you are doing great!

Sign Up for Algebra Class E-courses

Click here to retrieve a lost password.

Custom Search

- FREE Solving Equations E-course
- Algebra Class E-course
- Algebra Class Products
- Algebra Practice Test
- Algebra Readiness Test
- Homework Answer Calculator
- Practice Worksheets

- Site Map
- Pre-algebra Refresher
- Solving Equations
- Graphing Equations
- Writing Equations
- Systems of Equations
- Inequalities
- Functions
- Exponents & Monomials
- Polynomials
- Quadratic Equations
- Algebra 1 Final Exam
- Square Roots and Radicals

- SAT Online Course
- Algebra Cheat Sheets - Very Popular!!
- Algebra Formulas
- Online Resources
- Contact Me
- I Want to Hear From You!
- Algebra Blog
- About Me

Copyright © 2009-2015 Karin Hutchinson ALL RIGHTS RESERVED

## Comments

We would love to hear what you have to say about this page!