Cov txheej txheem:
Video: Koj yuav teeb ib kab zauv plaub fab hauv daim ntawv cuam tshuam li cas?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Graphs ntawm Quadratic Functions hauv Intercept Form
- Cov parabola cov hla tus @$egin{align*}x-end{align*}@$axis ntawm ob lub ntsiab lus: @$egin{align*}x = 2end{align*}@$ and @$egin{align*}x = 4end {align*}@$.
- Qhov qis tshaj ntawm qhov parabola cov tshwm sim ntawm (3, -1).
- Cov parabola yog symmetric.
Yog li ntawd, yuav ua li cas koj kos ib qho kev sib npaug ntawm plaub fab hauv daim ntawv?
Piv txwv 1:
- Graph the function y=x2−8x+12 siv factoring.
- Sib piv qhov sib npaug nrog cov qauv qauv, y = ax2 + bx + c. Txij li thaum tus nqi ntawm ib qho zoo, lub parabola qhib.
- Hloov x = 4 hauv kab zauv y = x2−8x+12 txhawm rau nrhiav y -sib txuas ntawm lub vertex.
Ib tus kuj yuav nug, koj yuav pom daim ntawv cuam tshuam li cas? Nco tseg: To nrhiav lub x- cuam tshuam ntawm qhov muab kab zauv ncaj qha, ntsaws 0 rau 'y' thiab daws rau 'x'. Rau nrhiav tus y- cuam tshuam , ntsaws 0 rau 'x' thiab daws rau 'y'. Hauv qhov kev qhia no, koj yuav pom yuav nrhiav li cas lub x- cuam tshuam thiab y- cuam tshuam rau qhov muab kab zauv linear.
Ib yam li ntawd, nws tau nug, koj nrhiav pom qhov kev cuam tshuam ntawm parabola li cas?
Lesson Summary Ib zaug ntxiv, the cuam tshuam daim ntawv ntawm parabola y = a (x - r)(x - s), qhov twg r thiab s yog x- cuam tshuam , lossis qhov twg daim duab hla dhau x-axis. Qhov txiaj ntsig ntawm kev siv cuam tshuam daim ntawv yog tias koj tuaj yeem yooj yim nrhiav lub x- cuam tshuam tsis muaj factoring lossis siv lub quadratic qauv.
Daim ntawv cuam tshuam yog dab tsi?
Cov cuam tshuam daim ntawv ntawm kab yog qhov sib npaug ntawm kab ntu raws li ntawm cuam tshuam nrog ob axes. a yog x- cuam tshuam . b yog y- cuam tshuam . a thiab b yuav tsum yog nonzero.
Pom zoo:
Koj yuav hloov daim ntawv kho mob ntawv mus rau cov ntaub ntawv kho mob hauv xov tooj cua li cas?
Hloov daim ntawv kab ntawv mus rau cov ntaub ntawv kho mob hluav taws xob Txhua tus kab mob ntawm tus neeg mob tau luam tawm rau hauv cov ntaub ntawv kho mob hluav taws xob (EMR). Ib nrab ntawm kev tshuaj xyuas kab mob ntawm tus neeg mob rau hauv EMR system. Luam theej duab txhua tus neeg mob nplooj ntawv sau rau hauv EMR system. Ntiav ib lub tuam txhab sab nraud los tshuaj xyuas tag nrho koj cov kab kos rau hauv EMR system. Tsis txhob luam cov ntaub ntawv qub rau hauv EMR system
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Dab tsi yog x cuam tshuam hauv daim ntawv nqes hav cuam tshuam?
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Daim ntawv teev npe twg piav txog plaub qhov chaw uas tus kws kho mob yuav txiav txim siab siv plaub lub ntsiab lus mus rau kev txiav txim siab ncaj ncees?
Nyob rau hauv lub moj khaum no, tag nrho cov teeb meem kev ncaj ncees raug tshuaj xyuas nyob rau hauv cov ntsiab lus ntawm plaub lub ntsiab lus: kev kho mob, kev nyiam ntawm tus neeg mob, lub neej zoo, thiab cov yam ntxwv ntawm cov ntsiab lus (piv txwv li, kev sib raug zoo, kev lag luam, kev cai lij choj, thiab kev tswj hwm)