Whakaoti mō x
x\leq 60
Graph
Tohaina
Kua tāruatia ki te papatopenga
3x+400-6x\geq 220
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te 200-3x.
-3x+400\geq 220
Pahekotia te 3x me -6x, ka -3x.
-3x\geq 220-400
Tangohia te 400 mai i ngā taha e rua.
-3x\geq -180
Tangohia te 400 i te 220, ka -180.
x\leq \frac{-180}{-3}
Whakawehea ngā taha e rua ki te -3. I te mea he tōraro a -3, ka huri te ahunga koreōrite.
x\leq 60
Whakawehea te -180 ki te -3, kia riro ko 60.
Ngā Tauira
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Arithmetic
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\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]
whārite Simultaneous
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Whakarerekētanga
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Whakaurunga
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Ngā Tepe
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