Zamkatimu
M'bukuli, tiwona tanthauzo ndi mtundu wamba wolembera equation ndi imodzi yosadziwika, komanso perekani njira yothanirana ndi izi ndi zitsanzo zothandiza kuti timvetsetse bwino.
Kufotokozera ndi kulemba equation
Mafotokozedwe a masamu a fomu nkhwangwa + b = 0 imatchedwa equation ndi imodzi yosadziwika (yosinthika) kapena equation ya mzere. Pano:
- a и b - nambala iliyonse: a ndiye coefficient ya zomwe sizikudziwika, b - coefficient yaulere.
- x - kusintha. Chilembo chilichonse chingagwiritsidwe ntchito kutchulidwa, koma zilembo zachilatini zimavomerezedwa. x, y и z.
Equation ikhoza kuyimiridwa mu mawonekedwe ofanana
- RџS•Rё ndi ≠0 mudzi umodzi
x = -b/a . - RџS•Rё = 0 equation itenga mawonekedwe
0 ⋅ x = -b . Pamenepa:- if b ≠ 0, palibe mizu;
- if b = 0, muzu ndi nambala iliyonse, chifukwa mawu
0 ⋅ x = 0 zoona pa mtengo uliwonse x.
Algorithm ndi zitsanzo zothetsa ma equation ndi imodzi yosadziwika
Zosankha zosavuta
Ganizirani zitsanzo zosavuta za = 1 ndi kukhalapo kwa coefficient imodzi yokha yaulere.
Mwachitsanzo | Anakonza | Kufotokozera |
akuti | mawu odziwika amachotsedwa ku chiŵerengero | |
mphindi | kusiyana kumawonjezedwa kwa ochotsedwa | |
subtrahend | kusiyana kumachotsedwa ku minuend | |
chinthu | mankhwala amagawidwa ndi chinthu chodziwika | |
gawoli | quotient imachulukitsidwa ndi wogawa | |
wogawa | gawoli limagawidwa ndi quotient |
Zosankha zapamwamba
Pothetsa equation yovuta kwambiri ndi mtundu umodzi, nthawi zambiri ndikofunikira kuti muyambe kuyifewetsa musanapeze muzu. Njira zotsatirazi zingagwiritsidwe ntchito pa izi:
- kutsegula mabatani;
- kusamutsa zonse zosadziwika ku mbali imodzi ya chizindikiro "chofanana" (kawirikawiri kumanzere), ndi odziwika ku chimzake (kumanja, motsatira).
- kuchepetsedwa kwa mamembala ofanana;
- kumasulidwa ku tizigawo tating'ono;
- kugawa mbali zonse ziwiri ndi coefficient ya zosadziwika.
Chitsanzo: kuthetsa equation
Anakonza
- Kukulitsa mabulaketi:
6x + 18 – 3x = 2 + x.
- Timasamutsa zonse zosadziwika kumanzere, ndi zodziwika kumanja (musayiwale kusintha chikwangwani kuti chikhale chosiyana mukasamutsa):
6x – 3x – x = 2 – 18.
- Tikuchepetsa mamembala ofanana:
2x = -16.
- Timagawa magawo onse a equation ndi nambala 2 (coefficient of the osadziwika):
x = 8.