x uchun yechish
x\in (-7,-2]
Grafik
Baham ko'rish
Klipbordga nusxa olish
x+2\geq 0 x+7<0
For the quotient to be ≤0, one of the values x+2 and x+7 has to be ≥0, the other has to be ≤0, and x+7 cannot be zero. Consider the case when x+2\geq 0 and x+7 is negative.
x\in \emptyset
Bu har qanday x uchun xato.
x+2\leq 0 x+7>0
Consider the case when x+2\leq 0 and x+7 is positive.
x\in (-7,-2]
Ikkala tengsizlikning mos yechimi – x\in \left(-7,-2\right].
x\in (-7,-2]
Oxirgi yechim olingan yechimlarning birlashmasidir.
Misollar
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y = 3x + 4
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Matritsa
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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Chegaralar
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