Whakaoti mō y
y = -\frac{13049}{490} = -26\frac{309}{490} \approx -26.630612245
Graph
Tohaina
Kua tāruatia ki te papatopenga
-457.96=64+19.6y
Tātaihia te 21.4 mā te pū o 2, kia riro ko 457.96.
64+19.6y=-457.96
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
19.6y=-457.96-64
Tangohia te 64 mai i ngā taha e rua.
19.6y=-521.96
Tangohia te 64 i te -457.96, ka -521.96.
y=\frac{-521.96}{19.6}
Whakawehea ngā taha e rua ki te 19.6.
y=\frac{-52196}{1960}
Whakarohaina te \frac{-521.96}{19.6} mā te whakarea i te taurunga me te tauraro ki te 100.
y=-\frac{13049}{490}
Whakahekea te hautanga \frac{-52196}{1960} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 4.
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