Polynomials yog sums ntawm cov ntsiab lus ntawm daim ntawv k⋅xⁿ, qhov twg k yog tus lej thiab n yog tus lej zoo. Piv txwv li, 3x + 2x-5 yog polynomial.
Yuav ua li cas yog ib tug polynomial nrog 4 nqe lus?
A polynomial ntawm plaub nqe lus, hu ua a quadrinomial, tuaj yeem ua tau los ntawm kev muab faib ua ob lub binomials, uas yog polynomials ntawm ob nqe lus. … Rearrange lub polynomial nyob rau hauv tus qauv daim ntawv, lub ntsiab lus nyob rau hauv descending powers ntawm lub variables.
Yuav ua li cas yog lub ntsiab lus polynomial hauv lej?
Hauv lej, tus lej yog tus lej qhia uas muaj ob lossis ntau dua cov lej lej uas tau ntxiv, rho tawm, lossis muab ntau (tsis muaj kev faib tawm!). Polynomial kab lus muaj tsawg kawg yog ib qho sib txawv thiab feem ntau suav nrog qhov tsis tu ncua thiab cov txiaj ntsig zoo ntawm qhov zoo. Cov lus x2 − 4x + 7 is a polynomial.
Tus lej ntawm cov ntsiab lus yog dab tsi?
Polynomials yog classified raws li lawv cov nqe lus. 4x3 +3y + 3x2 muaj 3 nqe lus, -12zy muaj 1 lub sijhawm, thiab 15 - x2muaj ob nqe lus. Raws li twb tau hais lawm, ib tug polynomial nrog 1 lub sij hawm yog ib tug monomial. Ib tug polynomial nrog ob nqe lus yog ib tug binomial, thiab ib tug polynomial nrog peb lo lus yog ib tug trinomial.
3 hom lus dab tsi?
Raws li tus lej ntawm cov lus hauv ib lub npe, muaj 3 hom polynomials. Lawv yog monomial, binomial thiab trinomialRaws li qib ntawm polynomial, lawv tuaj yeem categorized li xoom lossis tas li polynomials, linear polynomials, quadratic polynomials, thiab cubic polynomials.