The sketch is the curve of y ax2 bx c Find a b ...

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The sketch is the curve of y = ax² + bx + c. Find a, b and c respectively

index-0

1, 0, -4

index-1

-2, 2, -4

index-2

0, 1, -4

index-3

2, -2, -4

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Correct Answer: A

Given the graph and the curve y = ax² + bx + c the roots are x - 2 and 2 while its equation (x + 2)(x - 2) = y

y = x² - 4 i.e. y = x² + 0x - 4

a = 1, b = 0 and c = -4