Cov txheej txheem:
![Dab tsi yog txoj kab nqes intercept equation? Dab tsi yog txoj kab nqes intercept equation?](https://i.answers-medical.com/preview/medical-health/14099059-whats-the-slope-intercept-equation-j.webp)
Video: Dab tsi yog txoj kab nqes intercept equation?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Feem ntau, cov txoj kab nqes intercept form assumes cov qauv : y = mx + b.
Dhau li, tus lej ntsiab lus nqes hav yog dab tsi?
Point - nqes hav yog daim ntawv dav dav y-y1 = m (x-x1) rau kab kev sib npaug . Nws tseem ceeb rau nqes hav ntawm kab thiab a taw tes ntawm kab (uas tsis yog y-cuam tshuam).
Tsis tas li, tus qauv rau txoj kab nqes ntawm kab yog dab tsi? Cov kev sib npaug ntawm a kab feem ntau yog sau li y = mx + b qhov twg m yog tus nqes hav thiab b yog y-intercept. Yog koj hais tias a kab hla dhau, thiab nws nqes hav , nplooj ntawv no yuav qhia koj yuav nrhiav li cas kev sib npaug ntawm kab.
Yooj yim heev, qhov nqes hav hauv lej yog dab tsi?
Hauv lej , cov nqes hav los yog gradient ntawm ib txoj kab yog tus lej uas piav qhia txog ob qho tib si kev taw qhia thiab qhov siab ntawm txoj kab. A nqes hav nrog tus nqi ntau dua qhia tau tias txoj kab steeper. Cov lus qhia ntawm kab yog nce ntxiv, txo qis, kab rov tav lossis ntsug.
Koj yuav pom nqes hav nrog cov ntsiab lus li cas?
Muaj peb theem hauv kev suav qhov nqes hav ntawm txoj kab ncaj thaum koj tsis muab nws qhov sib npaug
- Kauj Ruam Ib: Txheeb xyuas ob lub ntsiab lus ntawm kab.
- Kauj Ruam 2: Xaiv ib qho los ua (x1, y1) thiab lwm qhov los ua (x2, y2).
- Kauj Ruam 3: Siv txoj kab nqes nqes los xam txoj kab nqes.
Pom zoo:
Txoj kab nqes ntawm kab uas tsis muaj Y cuam tshuam yog dab tsi?
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Qhov no txhais tau tias nws yog kab ntsug, xws li. Txoj kab nqes ntawm kab no tsis tau txiav txim siab. Yog hais tias kab tsis muaj x-cuam tshuam, tom qab ntawd nws yeej tsis cuam tshuam cov x-axis, yog li nws (tag nrho ntu muaj 159 lo lus.)
Txoj kab nqes ntawm y =- 2x yog dab tsi?
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Txoj kab nqes rau ib qho kev ua zauv "'yog m, thiab y - cuam tshuam (piv txwv li qhov chaw x = 0) yog c. Yog li txoj kab nqes rau y = 2x yog txoj kab nqes = 2
Dab tsi yog units ntawm txoj kab nqes?
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Txoj kab nqes ntawm ib lub roob yog nce tshaj khiav. Ob leeg muaj qhov ntev ntawm qhov ntev, yog li lawv qhov piv txwv tsis muaj qhov dav. Cov units ntawm txoj kab nqes yog cov units ntawm nce muab faib los ntawm units of run, qhov nce yog dab tsi peb npaj rau ntawm ntsug axis ntawm ib tug graphand khiav yog dab tsi peb npaj rau kab rov tav axis. Txoj kab nqes = Δ y/Δ x lossis nqes hav = (y2-y1)/(x2-x1)
Dab tsi yog txoj kab nqes intercept daim ntawv ntawm kab zauv?
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Qhov twg m = 1.25 thiab b = 550. Daim duab ntawm kab zauv y = mx + b (qhov twg m thiab b yog cov lej tiag) yog kab nrog txoj kab nqes, m, thiab y-intercept, b. Daim ntawv no ntawm kab zauv ntawm kab yog hu ua daim ntawv nqes-cuam tshuam. Txoj kab nqes ntawm kab, m, yog ntsuas ntawm nws qhov nqes hav
Dab tsi yog ob txoj kab nqes laser?
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Txoj kab nqes los yog qib lasers tuaj nyob rau hauv ob hom yooj yim: ib leeg thiab dual txoj kab nqes nrog kev xaiv rau kev hloov kho. Lub dual txoj kab nqes laser muaj peev xwm muab koj nyeem ntawm ob txoj kab nqes ntawm cov axis cais tib lub sijhawm, uas tso cai rau koj tuaj yeem tuaj nrog qib sib xyaw