Whakaoti mō x
x=-\frac{y}{2}+2
Whakaoti mō y
y=4-2x
Graph
Tohaina
Kua tāruatia ki te papatopenga
y=0x^{2}-2x+4
Whakareatia te 0 ki te 3, ka 0.
y=0-2x+4
Ko te tau i whakarea ki te kore ka hua ko te kore.
y=4-2x
Tāpirihia te 0 ki te 4, ka 4.
4-2x=y
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
-2x=y-4
Tangohia te 4 mai i ngā taha e rua.
\frac{-2x}{-2}=\frac{y-4}{-2}
Whakawehea ngā taha e rua ki te -2.
x=\frac{y-4}{-2}
Mā te whakawehe ki te -2 ka wetekia te whakareanga ki te -2.
x=-\frac{y}{2}+2
Whakawehe y-4 ki te -2.
y=0x^{2}-2x+4
Whakareatia te 0 ki te 3, ka 0.
y=0-2x+4
Ko te tau i whakarea ki te kore ka hua ko te kore.
y=4-2x
Tāpirihia te 0 ki te 4, ka 4.
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