Whakaoti mō x
x=y^{2}+1
y\geq 0
Whakaoti mō y
y=\sqrt{x-1}
x\geq 1
Graph
Tohaina
Kua tāruatia ki te papatopenga
\sqrt{x-1}=y
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
x-1=y^{2}
Pūruatia ngā taha e rua o te whārite.
x-1-\left(-1\right)=y^{2}-\left(-1\right)
Me tāpiri 1 ki ngā taha e rua o te whārite.
x=y^{2}-\left(-1\right)
Mā te tango i te -1 i a ia ake anō ka toe ko te 0.
x=y^{2}+1
Tango -1 mai i y^{2}.
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