Yeqela kokuqukethwe

CASIO

Isiqondiso kumsebenzisi

Thola

Izibalo Zokungalingani (INEQ)

Ungasebenzisa inqubo elandelayo ukuxazulula ukungalingani oku-quadratic noma oku-cubic.


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

2. Kumenyu evelayo, khetha uhlobo lokungalingani.

Ukukhetha uhlobo lokungalingani: Cindezela lo khiye:
Ukungalingani kwe-quadratic (aX2 + bX + c)
Ukungalingani kwe-cubic (aX3 + bX2 + cX + d)

3. Kumenyu evelayo, sebenzisa lo khiye ukuya kulo ukukhetha uhlobo lophawu lokungalingani ne-oriantation.

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

Ukuxazulula u-x2 + 2x - 3 < 0, ngokwesibonelo, faka ama-coefficient ka-a = 1, b = 2, c = -3 ngokucindezela u-123.

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.

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

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

Lokhu kuzobonisa izisombululo.

Ukuze uphindele ku-kuKho-efishiyenti Editha kuyilapho izisombululo ziboniswe esikrinini, cindezela .


Phawula

Amanani ngeke aguqulelwe ku-engineering notation esikrinini sesisombululo.


Ukushintsha Uhlobo Lokungalingani

Cindezela (INEQ) bese ukhetha uhlobo lokungalingani kumenyu evelayo. Ukushintsha uhlobo lokungalingani kubangela amanani wawo wonke ama-coefficient we-kuKho-efishiyenti Editha ukushintshela eqandeni.


Izibonelo Zesibalo Semodi ye-INEQ

Isibonelo 1: x2 + 2x - 3 < 0   (MthIO-MathO)

  • (INEQ)(aX2 + bX + c)
  • (aX2 + bX + c < 0)
  • 123

Isibonelo 2: x2 + 2x - 3 ≧ 0   (MthIO-MathO)

  • (INEQ)(aX2 + bX + c)
    (aX2 + bX + c ≧ 0)
    123
  • Phawula: Izisombululo ezibonisiwe njengoba kuveziwe lapha uma Isibonisi Somugqa sikhethiwe

Isibonelo 3: 2x3 - 3x2 ≧ 0   (MthIO-MathO)

  • (INEQ)(aX3 + bX2 + cX + d)
    (aX3 + bX2 + cX + d ≧ 0)
    23

Isibonelo 4: 3x3 + 3x2 - x > 0   (MthIO-MathO)

  • (INEQ)(aX3 + bX2 + cX + d)
    (aX3 + bX2 + cX + d > 0)
    331
  • Phawula: Izisombululo ezibonisiwe njengoba kuveziwe lapha uma Isibonisi Somugqa sikhethiwe.

Isibonisi Sesisombululo Esikhethekile

Ethi "All Real Numbers" ivela esikrinini uma kunesisombululo sokungalingani kwazo zonke izinombolo.

Isibonelo: x2 ≧ 0    (MthIO-MathO)

  • (INEQ)(aX2 + bX + c)
    (aX2 + bX + c ≧ 0)
    100

Ethi "No-Solution" ivela esikrinini sesisombululo uma kungekho sisombululo esiphumayo kokungalingani (njengo-X2 < 0).

phrinta leli khasi
Phezulu kwekhasi