Nws yooj yim kom nco ntsoov binomials li bi txhais tau tias 2 thiab binomial yuav muaj 2 nqe lus. Ib qho piv txwv classic yog cov hauv qab no: 3x + 4 yog binomial thiab kuj yog ib tug polynomial, 2a(a+b) 2 kuj yog binomial (a thiab b yog binomial yam). … Cov khoom ntawm ob lub binomials yuav yog a trinomial
Yuav ua li cas yog cov khoom ntawm ob binomials?
Cov khoom lag luam ntawm cov lej thiab qhov sib txawv ntawm ob lub npe binomial tuaj yeem nthuav tawm hauv cov ntsiab lus algebraic li (a +b) (a-b) . Siv FOIL, thawj kauj ruam yog a2, ua raws li cov kauj ruam sab nraud –ba, ua raws li theem sab hauv, ab, ua raws li theem kawg, b 2.
Puas yog cov khoom ntawm ob Monomial ib binomial?
Cov khoom ntawm ob lub monomial yog lwm monomial.
Koj puas muab tau ob lub npe?
Nco ntsoov tias thaum koj muab ib tug binomial los ntawm ib tug binomial koj tau plaub nqe lus Qee zaum koj tuaj yeem ua ke zoo li cov ntsiab lus kom tau txais trinomial, tab sis qee zaum tsis muaj cov ntsiab lus zoo li los ua ke. … Nws yog cov khoom ntawm x thiab x x thiab x, thawj cov ntsiab lus hauv (x + 2)and (x−y) (x + 2) thiab (x − y).
Yuav ua li cas yog cov mis hauv kev tau txais cov khoom ntawm ob binomials?
Tus qauv dav dav zoo li no: (a + b)(c + d)=ac + ad + bc + bd.
Example 1: Multiplying a binomial by a binomial | Algebra I | Khan Academy
