Explaning How to find Y-Intercept and slope on a table
Storyboard Text
- Sooo... Today we'll be talking about Y-Intercept? and Slope? ON A TABLE!
- I need to get Mr.Knight for this!
- Sure Do, Could you maybe explain it to me?
- Sure thing, lets take a nice long walk and i'll tell you how to solve for that stuff
- So I heard that you want to know about Slope and Y-Intercept on a Table?
- Okay whats our first term? Y-intercept? Slope?
- So lets start with the definitions they are important for understanding the term
- Slope will be our first term.
- Okay that makes sense thank you! ON TO OUR NEXT TERM!
- So what is slope?
- Definition of Slope: Is how deep your line is on a graph
- Very Interesting... Now how do you find these on a table?
- The definition of YIntercept is: The first number the Y-Intercept touches but has to be part of the line
- Yeah Mr.Knight! I remember how to determine if it is proportional or not! Its non-proportional because first of all it does not go through the origin and number one rule it has a y-intercept which proportional does not have
- Lets solve for slope! Mr.Dragon so first you must see what each number is becoming (Ex. 2 to 4, +2) so for the right side each one is getting added by 1 and the left side is getting added by 2 so the fraction would be 2/1 because of Y over X
- X
- 2
- 0
- 1
- 3
- Hey Dragon! Are you ready for the final part? Proportional or Non proportional?
- 5
- 11
- 7
- Y
- 9
- Hey Mr.Dragon ! lets solve for the Y-intercept first you must find the x column than find the zero and look right next to it (Ex. if X 0 than Y is the number) so in this case the graphs Y-intercept is 5
- So to find Slope intercept form set it up like this (y= mx + b) the m equals slope and he b equals y-intercept so with this graph we know the slope is 2 and the y-intercept is 5 so the slope intercept form would be (y= 2x + 5
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