Whakaoti mō y
y\geq \frac{11}{20}
Graph
Tohaina
Kua tāruatia ki te papatopenga
y\geq -\frac{1}{5}+\frac{3}{4}
Me tāpiri te \frac{3}{4} ki ngā taha e rua.
y\geq -\frac{4}{20}+\frac{15}{20}
Ko te maha noa iti rawa atu o 5 me 4 ko 20. Me tahuri -\frac{1}{5} me \frac{3}{4} ki te hautau me te tautūnga 20.
y\geq \frac{-4+15}{20}
Tā te mea he rite te tauraro o -\frac{4}{20} me \frac{15}{20}, me tāpiri rāua mā te tāpiri i ō raua taurunga.
y\geq \frac{11}{20}
Tāpirihia te -4 ki te 15, ka 11.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
4 \sin \theta \cos \theta = 2 \sin \theta
whārite paerangi
y = 3x + 4
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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
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Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}