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which of the following equations represents the... - JAMB Mathematics 2009 Question

which of the following equations represents the graph above?
A
y = 2 + 7x + 4x2
B
y = 2 - 7x + 4x2
C
y = 2 + 7x - 4x2
D
y = 2 - 7x - 4x2
correct option: d

x = -2 or x = (\frac{1}{4})

(x + 2)(4x - 1) = 0

y = 2 - 7x - 4x2

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