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Solve the following simultaneous equations graphically: y = 1/2x - 1, y = -2x - 1
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4 stepsHuu hapa ni ufumbuzi wa swali la 37:
Ili kutatua milinganyo shirikishi kwa kutumia grafu, tunahitaji kuchora kila mstari kwenye grafu na kisha kupata sehemu wanapokutana.
Pata pointi za kuchora mstari wa kwanza, .
Chagua thamani za na kokotoa thamani za :
- Ikiwa : . Pointi ni .
- Ikiwa : . Pointi ni .
- Ikiwa : . Pointi ni .
Pata pointi za kuchora mstari wa pili, .
Chagua thamani za na kokotoa thamani za :
- Ikiwa : . Pointi ni .
- Ikiwa : . Pointi ni .
- Ikiwa : . Pointi ni .
Chora pointi hizi kwenye grafu na unganisha pointi za kila mlinganyo ili kuunda mistari miwili.
Mstari wa kwanza utapita kwenye , , na .
Mstari wa pili utapita kwenye , , na .Tambua sehemu ambapo mistari miwili inakutana.
Mistari yote miwili inakutana kwenye pointi .
Hivyo, suluhisho la milinganyo shirikishi ni:
Suluhisho ni .
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