M'buku lino, tiwona kuti equation ndi chiyani, komanso tanthauzo lake kuthetsa. Chidziwitso changongole choperekedwa chimatsagana ndi zitsanzo zothandiza kuti timvetsetse bwino.
Tanthauzo la equation
The equation ndi , yomwe ili ndi nambala yosadziwika yomwe ingapezeke.
Nambala iyi nthawi zambiri imatanthauzidwa ndi chilembo chaching'ono chachilatini (nthawi zambiri - x, y or z) ndipo amatchedwa kusintha equations.
Mwa kuyankhula kwina, kufanana ndi equation pokhapokha ngati ili ndi chilembo chomwe mukufuna kuwerengera mtengo wake.
Zitsanzo za ma equation osavuta (ntchito imodzi yosadziwika ndi masamu):
- x +3 = 5
- ndi 2 = 12
- z + 10 = 41
Mu ma equation ovuta kwambiri, kusinthasintha kumatha kuchitika kangapo, ndipo kungakhalenso ndi mabatani ndi masamu ovuta kwambiri. Mwachitsanzo:
- 2x + 4 – x = 10
- 3 (y – 2) + 4y = 15
- x2 + 5 = 9
Komanso, pakhoza kukhala mitundu ingapo mu equation, mwachitsanzo:
- x +2y = 14
- (2x – y) 2 + 5z = 22
Muzu wa equation
Tinene kuti tili ndi equation
Zimasanduka kufanana kwenikweni pamene
Konzani equation - izi zikutanthauza kupeza mizu yake kapena mizu (malingana ndi chiwerengero cha zosinthika), kapena kutsimikizira kuti kulibe.
Kawirikawiri, mizu imalembedwa motere:
Ndemanga:
1. Ma equation ena satha kutheka.
Mwachitsanzo:
2. Ma equation ena ali ndi mizu yopanda malire.
Mwachitsanzo:
Zofanana Zofanana
Ma equation omwe ali ndi mizu yofanana amatchedwa mofanana ndi.
Mwachitsanzo:
Kusintha kofanana kwa ma equation:
1. Kusintha kwa liwu lina kuchokera ku gawo lina la equation kupita ku lina ndi kusintha kwa chizindikiro chake kupita ku mbali ina.
Mwachitsanzo: 3x + 7 = 5 mofanana ndi
2. Kuchulukitsa / kugawa magawo onse a equation ndi nambala yofanana, osati yofanana ndi ziro.
Mwachitsanzo: 4x - 7 = 17 mofanana ndi
Equation nayonso sisintha ngati nambala yomweyi ikuwonjezedwa/kuchotsedwa mbali zonse ziwiri.
3. Kuchepetsa mawu ofanana.
Mwachitsanzo: 2x + 5x – 6 + 2 = 14 mofanana ndi