Finding Line Using Only Slope - Point Slope Form

Hi everyone! For this video, I will tell you that all you need to know is the formula for slope.Show more

m = (y2-y1)/(x2-x1)

From this formula, you actually can find out the other two formulas: the point slope form and the slope intercept form. If you could only memorize one formula to find lines with slope, you should remember the slope formula. At the beginning of the video, I explain how to get from m = (y2-y1)/(x2-x1) to y-y1 = m(x-x1) and y = mx + b. For the second part of the video, I go over a few examples on how to find the line in point slope form when given the slope and a point that the line passes.

Let me know in the comments below if you have any questions. Thanks for watching!

Timestamps:
00:00 How to convert slope formula to point slope and slope intercept
00:39 Covert slope to point slope formula
02:24 Covert point slope formula to slope intercept formula
04:22 Practice problem #1 (solve together)
06:16 Practice problem #2 (solve together)
07:40 Practice problem #3 (try yourself)
09:17 Practice problem #4 (try yourself)

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Hope you enjoyed my video! Thank you for watching!

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Link: https://www.youtube.com/channel/UCOsPt0xImHyuRGU7BntSqDQ