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Linear Algebra
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OpenStudy (anonymous):
What is the quadratic function that is created with roots -3 and 1 and a vertex at (-1, -8)?
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OpenStudy (fanduekisses):
Ok so the equation of a quadratic function is: \[ax^{2}+bx+c=0\]
OpenStudy (fanduekisses):
You are given the roots -3 and 1, so \[(x+3)(x-1)\] then you foil
OpenStudy (fanduekisses):
do you know how to foil?
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