Yeqela kokuqukethwe

CASIO

Isiqondiso kumsebenzisi

Thola

Ukubala ama-Equation (EQN)

Ungasebenzisa inqubo elandelayo Kumodi ye-EQN ukuxazulula izibalo zelayini ngezibalo ezimbili noma ezintathu ezingaziwa, izibalo ze-quadratic, nezibalo ze-cubic.


1. Cindezela (EQN) ukufaka Imodi ye-EQN.

2. Kumenyu evelayo, khetha uhlobo lwesibalo.

Ukukhetha uhlobo lwesibalo: Cindezela lo khiye:
Izibalo zelayini ezikanyekanye ezinokungaziwa okubili (anX + bnY = cn)
Izibalo zelayini ezikanyekanye ezinokuthathu okungaziwa (anX + bnY + cnZ = dn)
Izibalo ze-quadratic (aX2 + bX + c = 0)
Izibalo ze-cubic (aX3 + bX2 + cX + d = 0)

3. Sebenzisa i-kuKho-efishiyenti Editha evelayo ukufaka izimeleli ze-coefficient.

Ukuxazulula u-2x2 + x - 3 = 0, ngokwesibonelo, cindezela u- esinyathelweni 2, bese ufaka ama-coefficient alandelayo (a = 2, b = 1, c = -3): 213.

Ukuze ushintshe inani elifanelekile osunakho ukufaka, hambisa isikhombisi kuseli elifanele, ufake inani elisha, bese ucindezela u-.

Ukucindezela u- kuzosula wonke ama-coefficients abe yi-zero.


Kubalulekile!

Imisebenzi elandelayo ayisekelwa yiKho-efishiyenti Editha: , (M-), (STO). I-Pol, i-Rec, ÷ R, kanye nezitatimende ezixubile nazo azikwazi ukufakwa kuKho-efishiyenti Editha.

4. Ngemuva kokuthi onke amanani ayindlela ofuna ngayo, cindezela u-.

Lokhu kuzobonisa isisombululo. Ukucindezela kwe- ngakunye kuzobonisa esinye isisombululo. Ukucindezela kuyilapho isisombululo sokugcina siboniswe kuzophindela kuKho-efishiyenti Editha.

Ungaskrola phakathi nezisombululo usebenzisa lo khiye kanye nalo-.

Ukuphindela kuKho-efishiyenti Editha kuyilapho kuboniswe noma yisiphi isisombululo, cindezela .


Phawula

Nakuba Isibonisi Semvelo sikhethiwe, izisombululo zezibalo zelayini ezikanyekanye azibonisiwe kusetshenziswa noma yiliphi ifomu elihilela-√ .

Amanani ngeke aguqulelwe ku-engineering notation esikrinini sesisombululo.

Umayelezo ovelayo wokukwazisa uma kungenasisombululo noma uma kunezisombululo ezingenamkhawulo. Ukucindezela i- noma i- kuzophindela kuKho-efishiyenti Editha.


Ukushintsha Isethingi Lohlobo Lwesibalo Samanje

Cindezela (EQN) bese ukhetha uhlobo lwesibalo kusuka kumenyu evelayo. Ukushintsha uhlobo lwesibalo kubangela izimeleli zawo wonke ama-coefficient weKho-efishiyenti Editha ukushintshela eqandeni.


Izibonelo Zesibalo Semodi ye-EQN

Isibonelo 1: x + 2y = 3, 2x + 3y = 4

  • (EQN)(anX + bnY = cn)
    123
    234
  • (X=)   -1
  • (Y=)    2

Isibonelo 2: x - y + z = 2, x + y - z = 0, -x + y + z = 4

  • (EQN)(anX + bnY + cnZ = dn)
    1112
    1110
    1114
  • (X=)    1
  • (Y=)    2
  • (Z=)    3

Isibonelo 3: 2x2 - 3x - 6 = 0  (MthIO-MathO)

  • (EQN)(aX2 + bX + c = 0)
    236
  • (X1=)    3 + √574
  • (X2=)     3 - √574
  • (X-Value Minimum=)*       34
  • (Y-Value Minimum=)*   - 578
  • * Ubuncane bendawo yenani elibonisiwe uma u-a > 0. Ubukhulu bendawo yenani elibonisiwe uma u-a < 0.

Isibonelo 4: x2 - 2√2x + 2 = 0  (MthIO-MathO)

  • (EQN)(aX2 + bX + c = 0)
    1222
  • (X=)    √2

Isibonelo 5: x3 - 2x2 - x + 2 = 0

  • (EQN)(aX3 + bX2 + cX + d = 0)
    1212
  • (X1=)   -1
  • (X2=)    2
  • (X3=)    1
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