Video: Koj sau y MX B li cas hauv daim ntawv qauv?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Cov txheem daim ntawv ntawm xws li ib tug kab zauv yog Ax + By + C = 0 los yog Ax + By = C. Thaum koj rearrange no kab zauv kom tau y los ntawm nws tus kheej ntawm sab laug, nws yuav siv lub foos y = mx ua + b . Qhov no hu ua slope intercept daim ntawv vim m yog sib npaug ntawm txoj kab nqes, thiab b yog tus nqi ntawm y thaum x = 0, uas ua rau nws y - cuam tshuam.
Hais txog qhov no, txoj kab nqes hauv tus qauv yog dab tsi?
Cov txoj kab nqes ntawm ib kab yog tus nqi hloov pauv ntawm y nrog rau x. Cov txoj kab nqes - cuam tshuam daim ntawv ntawm ib kab zauv sib npaug yog y = mx + b, qhov twg m yog qhov txoj kab nqes ntawm kab. Cov txheem daim ntawv ntawm ib kab zauv sib npaug yog Ax + By = C. Thaum peb xav nrhiav tus txoj kab nqes ntawm kab sawv cev los ntawm qhov sib npaug, peb muaj ob txoj kev xaiv.
Ib yam li ntawd, daim ntawv qauv hauv lej yog dab tsi? Txheem daim ntawv yog ib txoj hauv kev sau cov lej loj lossis tsawg heev yooj yim. 103 Luas = 1000 x 4 x 103 = 4000. Yog li 4000 tuaj yeem sau ua 4 × 10³. Lub tswv yim no tuaj yeem siv los sau cov lej loj dua hauv yooj yim txheem daim ntawv . Cov lej me kuj tuaj yeem sau rau hauv txheem daim ntawv.
Nyob rau hauv no hais txog, dab tsi C sawv rau hauv cov qauv qauv?
Standard Form : cov txheem daim ntawv ntawm ib kab yog nyob rau hauv daim ntawv Ax + By = C qhov twg A yog tus lej zoo, thiab B, thiab C yog integers.
Y MX B yog dab tsi?
Nyob rau hauv qhov sib npaug ntawm ib txoj kab ncaj (thaum tus kab zauv sau ua " y = mx ua + b "), txoj kab nqes yog tus lej "m" uas tau muab faib rau ntawm x, thiab " b "yog y -intercept (uas yog, qhov chaw uas txoj kab hla txoj kab ntsug y -axis). Daim ntawv no muaj txiaj ntsig ntawm kab sib npaug yog lub npe hu ua "slope-intercept form".
Pom zoo:
Txoj kev faib cov ntaub ntawv twg muab cov ntaub ntawv sib npaug ntawm cov ntaub ntawv lossis cov kev tshuaj xyuas hauv txhua chav kawm cov ntaub ntawv?
Quantile. txhua chav kawm muaj cov yam ntxwv sib npaug. Ib qho kev faib tawm ntau yog zoo haum rau cov ntaub ntawv faib tawm. Quantile muab tib tus lej ntawm cov ntaub ntawv muaj nuj nqis rau txhua chav kawm
Yuav ua li cas koj tig ib lub voj voog sib npaug rau hauv daim ntawv qauv?
Standard Form of Circle Equation. Cov qauv ntawm lub voj voog qhov sib npaug yog (x-h)² + (y-k)² = r² qhov twg (h,k) yog qhov nruab nrab thiab r yog lub vojvoog. Txhawm rau hloov ib qho kev sib npaug mus rau tus qauv, koj tuaj yeem ua kom tiav cov square cais hauv x thiab y
Yuav ua li cas koj sau raws li ib feem nyob rau hauv daim ntawv yooj yim?
Thaum sau cov zauv feem hauv daim ntawv yooj yim tshaj plaws, muaj ob txoj cai ua raws li: Nug seb tus lej thiab tus lej puas tuaj yeem muab faib los ntawm tus lej sib npaug, uas yog hu ua qhov feem ntau. Saib seb yam tsawg kawg ib tus lej hauv feem yog tus lej tseem ceeb
Yuav ua li cas koj sau txoj kab nqes nqes intercept daim ntawv nyob rau hauv tus qauv daim ntawv?
Standard form yog lwm txoj hauv kev los sau daim ntawv nqes hav-intercept (as opposed to y=mx+b). Nws sau li Ax+By=C. Koj tuaj yeem hloov daim ntawv nqes hav-intercept rau cov qauv zoo li no: Y=-3/2x + 3. Tom ntej no, koj cais qhov y-intercept (qhov no nws yog 2) zoo li no: Ntxiv 3/2x rau txhua sab ntawm kab zauv kom tau qhov no: 3/2x + y = 3
Tus qauv qauv yog dab tsi Qhov txawv ntawm tus qauv qauv thiab tus qauv molecular yog dab tsi?
Cov mis mos molecular siv cov cim tshuaj thiab cov ntawv sau npe los qhia cov naj npawb ntawm cov atoms sib txawv hauv cov molecule lossis compound. Ib qho empirical formula muab qhov yooj yim tshaj plaws, tag nrho tus lej piv ntawm atoms hauv ib qho chaw. Cov qauv qauv qhia txog kev sib koom ua ke ntawm cov atoms hauv cov molecule