ccastudentgrade10
  • ccastudentgrade10
FAN AND MEDAL PLS HELP what is the equation in standard form of a parabola that models the values in the table? x = -2, 0, 4 f(x) =1, 5, -59 please xplain how you get it! this is a practice problem.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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welshfella
  • welshfella
y = ax^2 + bx + c is the general form of a parabola
welshfella
  • welshfella
If you plug the given values of x and y into this you will get 3 equations in a,b and c which you can solve simultaneously
ccastudentgrade10
  • ccastudentgrade10
OHHHHHH i get it now thank you!!!!!

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welshfella
  • welshfella
for example x = 0 f(x) = 5 so we have a(0)^2 + 0b + c = 5 c = 5 so we have tha value of c already
welshfella
  • welshfella
x = -2 , f(x) = 1:- 1 = a(-2)^2 - 2b + 5 4a - 2b = -4 is the second equation
welshfella
  • welshfella
perform the same process with x = 4 and f(x) = -59 to get another equation in a and b Then you can solve the system of 2 equation to get the values of a and b

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