Math smarties?
How DO i graph this? I know its a parabolic function or something...
I have the points but I dont know how to find the equation For example the points are: X: 100 1000 2000 3000 Y: 0 -1.22 -17.81 -94.75 Now how would one go about graphing this? |
Graphing Calculator
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yes thank you edison, so wise...
i need to find out the EQUATION not how to do it |
Originally Posted by thetremendousti
(Post 267098)
How DO i graph this? I know its a parabolic function or something...
I have the points but I dont know how to find the equation For example the points are: X: 100 1000 2000 3000 Y: 0 -1.22 -17.81 -94.75 Now how would one go about graphing this? and the only formula for a line i know is y=mx+b and x-h+k but then again im only in algIII and your most likely talking about something WAY over my head |
well you can use the two farthest points and the 2nd and 3rd are just extra for precision/checking and its not super impossible i just can't remember my ALG II from high school
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If you have an Iphone or an ipod touch, download "formul8" it's saved my ass a couple times, but good luck I suck at math, except calculates, for some reason i was really good at it.
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Originally Posted by thetremendousti
(Post 267112)
well you can use the two farthest points and the 2nd and 3rd are just extra for precision/checking and its not super impossible i just can't remember my ALG II from high school
---------------- x(sub)1-x(sub)2 but that's for a linear function and i don't thing that's linear, more like quadratic |
Originally Posted by 280zx2by2
(Post 267120)
y(sub)1-y(sub)2
---------------- x(sub)1-x(sub)2 but that's for a linear function and i don't thing that's linear, more like quadratic |
I dont know how i would go about using the quadratic formula either since Its not a A/B/C equation its more of a X/Y
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