Ответ:
y = -x^2 + x + 12
x0 = -b/2a = -1/(2×(-1)) = -1/-2 = 1/2
y0 = -1/2^2 + 1/2 + 12 = -1/4 + 1/2 + 12 = -1/4 + 2/4 + 12 = 12целых 1/4
x0 + y0 = 1/2 + 12 1/4 = 2/4 + 12 1/4 = 12целых 3/4
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Ответ:
y = -x^2 + x + 12
x0 = -b/2a = -1/(2×(-1)) = -1/-2 = 1/2
y0 = -1/2^2 + 1/2 + 12 = -1/4 + 1/2 + 12 = -1/4 + 2/4 + 12 = 12целых 1/4
x0 + y0 = 1/2 + 12 1/4 = 2/4 + 12 1/4 = 12целых 3/4