INSTRUCTORS Carleen Eaton Grant Fraser Eric Smith

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 0 answersPost by Magdy Mettias on August 20, 2012Thankyou, this helps

### Slope Intercept Form of an Equation

• The slope-intercept form of a linear equation is y = mx + b, where m is the slope and b is the y-intercept of the graph.

• Given a graph, you can determine the slope and the y-intercept and then write the equation in slope-intercept form.

• If you are given the equation in slope-intercept form, you can use the information given by the equation to draw the graph without the need to create a table of values.

• In most problems involving linear equations and their graphs, you will be asked to find the equation in slope-intercept form.

• If you are given the slope of a line and a point that is not the y-intercept, first find the y-intercept by substituting the coordinates of the point and the given slope into the slope-intercept form and solving for b. Then you have the information necessary to write the equation in slope-intercept form.

• If you are given 2 points that lie on a line, first use their coordinates to find the slope. The follow the procedure just given to find the y-intercept; you can use either point to do this. Then write the equation in slope-intercept form.

### Slope Intercept Form of an Equation

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

• Intro 0:00
• Slope Intercept Form 0:16
• Example
• Lecture Example 1 2:24
• Lecture Example 2 5:43