а зачем координатная примая ????
ответ итак виден
16x - 96 <= 0
10 - 5x <=0
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16x <= 96 / : 16
10 <= 5x / : 5
x <= 6
x >= 2
x ∈ [2, 6]
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Ответ:
69-(13-y)^2=-y^2
69-(169-26y+y^2)=-y
69-169+26y-y^2=-y^2
69-169+26y=0
-100+26y=0
26y=100
y=100÷26
y=50/13
Ответ: 50/13
2х^2-5х+8=0