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



The sketch is the curve of y = ax2 + bx + c. Find a, b and c respectively
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  • A 1, 0, -4
  • B -2, 2, -4
  • C 0, 1, -4
  • D 2, -2, -4
  • E 2, -2, -4
Correct Answer: Option A
Explanation:
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

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