Write the quadratic function in the standard form y = a(x - h)2 + k.y = -3x2 - 18x - 23
A. y = 3(x + 3)2 + 4
B. y = -3(x - 3)2 + 4
C. y = (x + 3)2 + 4
D. y = -3(x + 3)2 + 4
Answer: D
Mathematics
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