Welcome to lesson 9.  In this lesson we will explore how to find the equation of a line given two points.  You will have to know how to find the slope given two points so you may want to review that lesson if you’re weak at this skill.  As in the previous lesson you can solve the following problems a few different ways- find the method you like best and stick with it.

Things to focus on in this lesson:

• how to find the slope
• point-slope formula
• slope-intercept formula

#### Finding The Equation Of A Line Given Two Points

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 I know this is a long chapter but hang in there you’re almost done. At this point in the course you should be able to: * solve equations * graph lines * find the equations of lines The next lesson will explore the topic of scatter plots- it’s a little different than what we have been doing but you want to learn the skill to be extra prepared for the GED Lesson 10: Find The Best Fitting Line/Scatter Plots Lesson 1: Graphing Lines One Variable  Lesson 2: Graphing Lines Two Variables Lesson 3: Slope Of A Line Lesson 4: Graphing Lines Using Slope Intercept Method Lesson 5: Graphing Lines Using XY Intercept Method Lesson 6: Finding The Equation Of A Line y=mx + b Method Lesson 7: Finding The Equation Of A Line Point-Slope  Formula Lesson 8: Finding The Equation Of A Line Given A Point And Slope Lesson 9: Finding The Equation Of A Line Given Two Points Lesson 10: Find The Best Fitting Line/Scatter Plots Lesson 11: Linear Models/ Word Problems 