jacobmortn36 jacobmortn36

16-01-2017
Mathematics

contestada

Rule for x intercepts at (4,0) and (-1,0) and opening upward

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HomertheGenius HomertheGenius

23-01-2017

This is a quadratic equation:
y = a x² + b x + c, a > 0 ( opening upward )
The zeroes are: ( - 1 , 0 ) and ( 4, 0 ).
y = a ( x - x 1 ) ( x - x 2 )
y = a ( x + 1 ) ( x - 4 )
y = a ( x² - 4 x + x - 4 )
y = a ( x² - 3 x - 4 )

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