Graphing 18 - Writing Equations 1
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Part of video series
Lesson Description:
This video covers to how to write equations of lines given info about the line. This is part 18 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:
- What is the slope-intercept form of an equation?
- How do you write the equation of a line in slope-intercept form if you are given the slope and a point on the line?
- How do you write the equation of a line with slope 3 that goes through the point (0, -5)?
- How do you write the equation of a line with slope -1/2 with y-intercept (0, 4)?
- How do you write the equation of a line with slope 0 that goes through the point (0, -9)?
- How do you re-write an equation that is in slope-intercept form in standard form?
- How can you re-write y = 3x - 5 in standard form?
- How do you re-write y = -1/2x + 4 in standard form?
- How do you eliminate fractions from an equation?
- How do you write the equation of a line with slope 2 that passes through the point (-4, 5)?
- How can you solve for b in y = mx + b if you have a point and the slope?
- How do you write the equation of a line with slope -1/3 that passes through the point (-6, 9)?
- How can you check to make sure that you wrote a correct equation for a line with a given slope that goes through a given point?
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Staff Review
This video explains the process of writing an equation in slope-intercept form of a line that has a given slope and goes through a given point. This is a very useful tactic that is used often in Algebra.
