anonymous
  • anonymous
HELP!! Use a system of equations to find the specified equation that passes through the points. Solve the system using matrices. Show your work. Parabola: y = ax2 + bx + c Picture below with the points.
Mathematics
  • Stacey Warren - Expert brainly.com
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chestercat
  • chestercat
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anonymous
  • anonymous
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anonymous
  • anonymous
@amistre64 Any ideas?
anonymous
  • anonymous
OK this question has a few steps 1. take each point at a time, and plug them into y = ax2 + bx + c, so that you get 3 equations (this is ur system of equations) 2. Plug the three equations into a 3x4 matrix|dw:1370045770786:dw| 3. Use Gauss-Jordan, or any other method u know, to solve the matrix. That is, get:|dw:1370045831729:dw| Where a,b and c are the three constants of the quadratic equation

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anonymous
  • anonymous
@Jordansh I don't know any methods. so that's a problem lol.
anonymous
  • anonymous
oh, I see, that does complicate it. Do u know how to plug the numbers into the matrix?
tkhunny
  • tkhunny
Well, then why on Earth have you been given this problem? If this is a placement exam, you clearly don't know this material and you should not be placed in a class where this material is assumed.

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