Graphing 5 - solving an equation for y and graphing with a table

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Taught by YourMathGal
  • Currently 4.0/5 Stars.
9549 views | 1 rating
Part of video series
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Lesson Summary:

In this lesson, you will learn how to solve an equation for y, which is essential for graphing lines. By isolating the term with y and rearranging the equation into slope-intercept form (y = mx + b), you can easily plug in values for x to create a table of ordered pairs and graph the line. The transcript includes examples and practice problems to solidify your understanding of this important concept.

Lesson Description:

Covers how to solve an equation for y so it is easy to plug in convenient values for x, make a table of ordered pairs, plot the points and graph the line. Also, solving for y will be useful to get equations in slope intercept form and graph using that method, which is covered in later videos. This is part 5 of a series of videos about graphing lines.

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Questions answered by this video:
  • How do you write an equation in the form y = mx + b?
  • How do you solve an equation for y?
  • How can you get an equation in slope-intercept form?
  • How can you get y all by itself in 2x + 3y = 6?
  • How do you solve for y in 4x - y = 8?
  • How do you get y by itself in 3x - 5y = 15?
  • How do you solve for y in 8x + 3y = 0?
  • How do you graph an equation that is in standard form?
  • How do you graph 3x - 5y = 15 using a table?
  • How do you graph y = 3/5x - 3 using a table?
  • How do you graph 2x - 5y = 0 by solving for y, making a table, and plotting points?
  • How can you check an ordered pair to make sure it is a solution to an equation?
  • What x-values should be chosen to make a chart for an equation with fractions?
  • Staff Review

    • Currently 4.0/5 Stars.
    This lesson explains the process of changing an equation from standard form into slope-intercept form by solving the equation for y. These equations are then used to make a table of values and graph the equation. This process is explained very well and several example problems are shown in the video.