Whārite rārangi ki tetahi me rua taurangi, rerekētanga rārangi

Tenei kaupapa tīmata tetahi ākonga ki te ako atu i roto i te kura tuatahi, ka te tohu "atu" haere, "iti iho i te" me "rite". Tenei momo o whārite me ngā rerekētanga ko tetahi o te māmā i roto i te marautanga katoa mo te wā katoa o ngā ākonga whakangungu. Ko tino te otinga tetahi whārite me te ōritenga whewhe ki raro, ki roto i te tikanga ki te faaohie i te reira ki te momo rārangi. Pehea e taea te titiro whārite rārangi, me ngā rerekētanga?

I roto i tenei whārite, ko te mohiotia i roto i te tohu tuatahi, e taea ai e koe noa, me te hohoro wehe nga taurangi tamau, whakatakoto ratou i te ritenga atu taha o te pereti faataa (taurite ōritenga ranei). Me pehea e taea titiro reira ara ki te āwhina hohoro a ngāwari whakaoti i tetahi whārite rārangi?

Kī reira whārite 3 - 89 = (te 5x - 32) / 2. Ko te mea tuatahi ki te mahi - ko ki te faaohie i te wahi hautanga mā te whakanuia e 2 te whārite katoa. Na ka waiho te hua e te 6x - 178 = 5x - 32. I roto i te meka ko reira - ko te whārite rārangi. Na e hiahia ana tatou ki te faaohie i te reira, neke nga taurangi katoa i te taha maui, a ka pūmau - ki te tika. Ka waiho i te hua e x = 146. Ki te ko te whakanui nui ake i te kotahi te ana'iraa, kia wahia e koe i te reira i te whārite rārangi katoa, a i roto i tenei take, ki te whiwhi i te whakautu e tika ana.

Ko te taua haere mo te rerekētanga. Tuatahi, e hiahia ana koe ki te faaohie ōritenga rārangi, me i muri i - ki te neke i te taurangi i roto i tona taha maui, a ka pūmau - ki te tika. I muri iho, faingofua ano ōritenga rārangi ki te ōwehenga tāupe rite ki te kotahitanga. whiwhi urupare ki te kore ōritenga te aunoa, ka ko reira tika anake ana ki te tāpiri ki te āhua e hiahiatia ana (i roto i te puka o te kore ōritenga, mokamoka āputa ranei i runga i te tuaka).

Ka rite ki taea te matau i te i runga ake, whārite rārangi, me ngā rerekētanga e tino māmā, ara hoki ngā tamariki kura. Heoi, kia mahara ai e he kōwhiringa tenei momo o whārite.

He he he tirohanga o ratou rite whārite rārangi ki e rua taurangi. Me pēhea te ki te whakaoti ia ratou? Ko te tukanga tika te wa-e kai ana tenei. I te kura, kei te tīmata ngā take rite ki te kanohi i roto i te kura nui, koia, e taea te pēnei whārite rārangi ki e rua ngā taurangi ki atu kaupapa matatau.

Akuanei pea i reira ko te 2x whārite + y = 3x + 17. Ko te mea tuatahi ki te mahi - ko te ki te whakapuaki i tetahi rahinga unknown e tetahi. Ko reira ohie nui: tangohia kotahi tāupe e atu ki te taha ki maui, me ētahi atu taurangi katoa me tau - ki te tika; ko te kupu faatiti'aifarohia nga whārite rārangi katoa ki e rua taurangi. Ka rite ki te hua, whiwhi koe he whārite o te puka y = x + 17. Ko te whakahoki e whakahuatia e whakaaro tenei mahi i roto i te pūnaha ruruku me te rārangi tika. Here ka whakaoti whārite rārangi ki e rua taurangi.

Me mahara hoki käore te reira e i roto i te tua ki ngā whārite i roto i rua taurangi, i reira he kore ōrite rite. I roto i te rerekē ki te whārite, te whakahoki ki i ko te kauwhata o te pānga, faka'osi ōritenga tona whakautu ki te rererangi tautuhia e tenei hōtaka. He mea utu te tuhituhi e ki te ōritenga tino, e kore e tomo te kauwhata!

Na, inaianei whakaaro koe e founga ki te whakaoti whārite rārangi, me ngā rerekētanga. Ahakoa he tino ngāwari ki te ako i tēnei kaupapa, ko reira ki te whakarongo, no te mea e kore ai e etahi o nga whaktauiratia mārama rawa e i roto i te whakamātautau mana kia arahi ki ngā tohe, me te whakaiti i te kaute katoa. Linear whārite - te reira ohie, te mea matua - ki te piri ki te ture pāngarau hiahiatia, pērā i wehenga whakarea o te whārite katoa ranei ki tetahi uara, te mea timatanga whakawhiti mahi mo te tohu e rite ana, te Tūtohi tika, mātau record whakautu.

E mohio ana pehea ki te tika tuhituhi me te whakaoti whārite rārangi, me ngā rerekētanga, ka taea ki te mahino me te ake momo uaua o whārite me ngā rerekētanga koe. Ko te aha whakaaro tenei take te nui nui - tata te kokonga o pāngarau, no te mea te mau parau tumu no te whakaoti taua tauira ko te pūtake o te hea te raiona o whakatau o te whārite atu, rerekētanga me ngā raruraru.