Video: Koj yuav daws qhov kev sib npaug thib ob li cas?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Kev daws 2nd Degree Equations ax2 + bx + c = 0 TheSquare-Root Method Siv lub hauv paus square yog tias muaj nox-term. Rau daws ax2 + bx + c = 0: 1st: Siv txoj kev square-rootmethod yog tias x-term ploj lawm. 2nd : Sim muab nws ua ob lub binomials. 3rd: siv plaub fab formula (QF).
Tom qab ntawd, ib tug kuj yuav nug, dab tsi yog qhov kev sib npaug thib ob?
Thib ob - degree sib npaug koom nrog tsawg kawg ib qho kev sib txawv uas yog squared, los yog tsa rau lub zog ntawm ob. Ib qho ntawm cov neeg paub zoo tshaj plaws thib ob - degree sib npaug yog lubquadratic qhov twg a, b, thiab c yog qhov tsis tu ncua thiab a tsis sib npaug 0. Thib ob - degree sib npaug muaj ob txoj kev daws teeb meem: thiab.
degree ntawm kev sib npaug yog dab tsi? DEGREE NTAWM AN EQUATION . Cov degree ntawm ib kev sib npaug uas tsis muaj ntau tshaj ib qho kev sib txawv hauv txhua lub sij hawm yog tus exponent ntawm lub hwj chim siab tshaj plaws uas qhov sib txawv ntawm qhov tshwm sim hauv kev sib npaug . Cov kev sib npaug . 3x - 17 = 0. yog FIRST- DEGREE equation , txij li x tau tsa tsuas yog rau thawj lub hwj chim.
Yog li ntawd, dab tsi yog qhov thib ob degree polynomial muaj nuj nqi?
Thib ob - Degree Polynomial Function . Polynomial muaj nuj nqi uas nws daim ntawv dav dav yog f(x) = Ax2 + Bx + C, qhov twg A ≠ 0 thiab A, B, C ∈ R. A thib ob - degreepolynomial muaj nuj nqi nyob rau hauv uas tag nrho cov coefficients ntawm cov nqe lus nrog a degree tsawg dua 2 yog xoom hu ua quadratic muaj nuj nqi.
Dab tsi yog 2nd degree Trinomial?
Thib Ob Degree Polynomials . Thib ob degreepolynomials tseem hu ua quadratic polynomials . Lawv zoo li lub npe hu ua parabola. Cov khoom tsim thaum aparabola tig txog nws qhov axis ntawm symmetry yog hu ua aparaboloid, los yog parabolic reflector. Satellite phaj antennas feem ntau muaj qhov zoo li no.
Pom zoo:
Yuav daws qhov tsis sib npaug ntawm cov kab sib npaug thiab cov kab sib npaug sib npaug li cas?
Kev daws qhov tsis sib npaug ntawm qhov sib npaug yog zoo ib yam li kev daws cov kab sib npaug. Qhov sib txawv tseem ceeb yog koj tig lub cim tsis sib xws thaum faib lossis muab faib los ntawm tus lej tsis zoo. Graphing linear inequalities muaj ob peb qhov sib txawv ntxiv. Qhov uas yog qhov ntxoov ntxoo muaj xws li qhov tseem ceeb uas qhov kev tsis sib xws ntawm cov kab tawm muaj tseeb
Puas yog nws ua tau rau ib qho kev sib npaug ntawm ob txoj kab sib npaug kom tsis muaj kev daws teeb meem piav qhia koj qhov laj thawj?
Cov kab ke ntawm kab sib npaug tuaj yeem tsuas muaj 0, 1, lossis ib qho kev daws teeb meem tsis kawg. Ob kab no tsis tuaj yeem hla ob zaug. Cov lus teb raug yog tias qhov system muaj ib qho kev daws teeb meem. Total Number of Points Number of 2-Point Baskets Number of 3-Point Baskets 17 4 (8 ntsiab lus) 3 (9 points) 17 1 (2 points) 5 (15 points)
Koj yuav daws qhov sib npaug li cas los ntawm kev cais qhov sib txawv?
Cov txheej txheem yooj yim los cais qhov sib txawv yog "ua ib yam dab tsi rau ob tog" ntawm qhov sib npaug, xws li ntxiv, rho tawm, sib npaug, lossis faib ob sab ntawm qhov sib npaug los ntawm tib tus lej. Los ntawm kev rov ua cov txheej txheem no, peb tuaj yeem tau txais qhov sib txawv ntawm ib sab ntawm qhov sib npaug
Dab tsi yog qhov sib txawv ntawm cov kab lus sib npaug thiab qhov sib npaug sib npaug?
Cov kab lus sib npaug muaj qhov muaj txiaj ntsig zoo ib yam tab sis tau nthuav tawm nyob rau hauv ib hom ntawv sib txawv uas siv cov khoom ntawm cov lej xws li ax + bx = (a + b) x yog cov kab lus sib npaug. nruj me ntsis, lawv tsis yog 'sib npaug', yog li peb yuav tsum siv 3 kab sib luag hauv 'sib npaug' es tsis yog 2 raws li qhia ntawm no
Koj yuav daws qhov kev sib npaug lossis qhov tsis sib xws li cas?
Txhawm rau daws qhov tsis sib xws siv cov kauj ruam hauv qab no: Kauj Ruam 1 Tshem tawm cov feem ntau los ntawm kev muab tag nrho cov ntsiab lus los ntawm tus lej qis tshaj ntawm txhua feem. Kauj Ruam 2 Ua kom yooj yim los ntawm kev sib txuas zoo li cov ntsiab lus ntawm txhua sab ntawm qhov tsis sib xws. Kauj Ruam 3 Ntxiv lossis rho tawm kom tau txais qhov tsis paub ntawm ib sab thiab tus lej ntawm lwm qhov