Nyob rau hauv algebra, ib tug quadratic muaj nuj nqi, ib tug quadratic polynomial, ib tug polynomial ntawm degree 2, los yog yooj yim ib tug quadratic, yog ib tug polynomial muaj nuj nqi nrog ib tug los yog ntau variables nyob rau hauv uas lub siab tshaj plaws -degree lub sij hawm yog qhov thib ob degree.
Puas yog quadratic polynomial yog polynomial ntawm degree 4?
A polynomial uas nws qib 2 yog hu ua quadratic polynomial. Yog li, kev xaiv (A) tsis yog cov lus teb raug. Ib tug polynomial uas nws qib 3 yog hu ua cubic polynomial yog li kev xaiv (C) kuj tsis raug. Ib tug polynomial uas nws degree yog 4 yog hu ua ib tug biquadratic polynomial.
Dab tsi yog degree ntawm kev sib npaug plaub npaug?
Qhov kev sib npaug plaub npaug kuj yog hu ua qhov sib npaug ntawm ntau yam vim nws tsuas muaj lub zog ntawm x uas tsis yog cov lej tsis zoo. Tshwj xeeb tshaj yog, nws yog qhov sib npaug thib ob-degree polynomial vim tias lub zog siab tshaj plaws yog 2. Yog li ntawd, qhov degree ntawm kev sib npaug plaub yog 2.
Yuav ua li cas polynomial yog quadratic polynomial?
A polynomial nyob rau hauv daim ntawv of ax² + bx + c qhov twg a, b thiab c yog cov lej tiag, thiab a 0 yog lub npe hu ua quadratic polynomial.
Puas yog quadratic yog degree yog 3?
Degree 2 - plaub fab. Degree 3 – cubic . Degree 4 – quartic (lossis, yog tag nrho cov ntsiab lus muaj txawm tias degree, biquadratic) Degree 5 – quintic.
