anonymous
  • anonymous
SOMEONE PLEASE HELP ME ASAP!! . Find a quadratic model for the set of values: (-2, -20), (0, -4), (4, -20). Show your work.
Mathematics
chestercat
  • chestercat
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rajat97
  • rajat97
its easy assume the quadratic equation to be y=ax^2 + bx + c now put the values of the co-ordinates in the place of x and y there are three co-ordinates so, you'll get three equations you have three variables, a, b and c solve the three equations for three variables and voila! you get the quadratic equation
anonymous
  • anonymous
So which of the points are a, b and c?
rajat97
  • rajat97
a,b and c are not points they are the variables the points are x and y

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anonymous
  • anonymous
ohh okay, thank you :D
rajat97
  • rajat97
you're welcome but did you really get it??
rajat97
  • rajat97
well thanks for the medal
anonymous
  • anonymous
Yeah i think so, I got -2x2+4x-4 I hope its right, im trying to finish this by tomorrow and im super sleepy lol
rajat97
  • rajat97
okay i'll get it to you!
rajat97
  • rajat97
Thanks for the medal @dguerra

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