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Helen [10]
3 years ago
11

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

Mathematics
1 answer:
djverab [1.8K]3 years ago
6 0
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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