The sketch is the curve of y ax2 bx c Find a b ... - JAMB Mathematics 1992 Question
A
1, 0, -4
B
-2, 2, -4
C
0, 1, -4
D
2, -2, -4
correct option: 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
y = x2 - 4 i.e. y = x2 + 0x - 4
a = 1, b = 0 and c = -4
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