Graphing 15 - Slope-intercept Form 1
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Part of video series
Lesson Description:
Shows how to graph a line using the slope-intercept method. This is part 15 of a series of videos about graphing lines.
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
Questions answered by this video:
- How do you graph a line using the slope-intercept method?
- What is slope-intercept form of a line?
- What do m and b stand for in y = mx + b?
- How do you graph y = 2x - 3 without using a table?
- What do m and b equal in y = 2x - 3?
- How can you check to make sure that a point is on a line?
- How can you check to make sure that (3, 3) is on the line y = 2x - 3?
- What are m and b in y = -2/3x + 1?
- How do you graph the line y = -2/3x + 1?
- How do you identify the slope and y-intercept of a line from an equation?
- How can you check that the point (3, -1) is on the line y = -2/3x + 1?
- How do you graph the line y = -4x?
- What are the slope and y-intercept of the equation y = -4x?
- How can you check that the point (-1, 4) is on the line y = -4x?
- How do you graph the line y = -2?
- How do you graph a line if there is no x?
- What are the slope and y-intercept of a horizontal line like y = -2?
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Staff Review
This lesson is one of the most memorable from all of Algebra -- learning to graph a line from an equation in slope-intercept form. This is an essential and very valuable lesson, and all ideas, including the concept of -#/+# being the same as +#/-# to graph the line, are explained very well.
