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Mathematics 10 Online
OpenStudy (mathguy5):

How would I solve this problem please? http://prntscr.com/bn30c3

OpenStudy (baru):

aren't the answers correct?

OpenStudy (mathguy5):

yes but i dont know how they got the answers

OpenStudy (triciaal):

quadratic function ax^2 + bx + c a, b and c are real and a is not zero opens up means a is positive (magnification factor) vertex is maximum or minimum (-6, -8) so c = -8 minimum

OpenStudy (triciaal):

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