Yuav ua li cas muaj ntau yam kev daws teeb meem overlapping kab?
Yuav ua li cas muaj ntau yam kev daws teeb meem overlapping kab?

Video: Yuav ua li cas muaj ntau yam kev daws teeb meem overlapping kab?

Video: Yuav ua li cas muaj ntau yam kev daws teeb meem overlapping kab?
Video: Tsis Muaj Peev Xwm Yuav Ua Li Cas 2024, Kaum ib hlis
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Systems ntawm linear equations ua tau nkaus xwb muaj 0, 1, lossis tus lej tsis kawg kev daws teeb meem . Ob tug no kab tsis tuaj yeem hla ob zaug. Cov lus teb raug yog qhov system muaj ib daws.

Tus naj npawb ntawm 2-Point Baskets Tus naj npawb ntawm 3-Point Baskets
1 0
2 1
3 2
4 3

Kuj paub, muaj pes tsawg txoj kev daws teeb meem sib tshuam?

Qhov no txhais tau tias cov kab sib tshuam ntawm ib qho taw tes-y-intercept. Nco qab tias cov kab sib tshuam muaj ib xal thiab yog li ntawd qhov system zoo ib yam. Vim tias cov kab tsis zoo ib yam, cov kab sib npaug yog ywj siab.

Qhov thib ob, koj yuav qhia li cas yog tias lub kaw lus tsis muaj kev daws teeb meem? Yog ib yam zoo ib yam system muaj tus naj npawb ntawm infinite kev daws teeb meem , nws yog nyob. Thaum twg koj graph cov equations, ob qhov sib npaug sawv cev tib kab. Yog tias qhov system tsis muaj kev daws teeb meem , yog hais tias tsis sib haum. Cov graphs ntawm cov kab tsis sib tshuam, yog li cov graphs yog parallel thiab muaj tsis muaj tshuaj.

Tsuas yog li ntawd, muaj pes tsawg txoj kev daws teeb meem rau qhov system no?

Yuav muaj kev daws teeb meem xoom, 1 daws los yog kev daws teeb meem tsis kawg - txhua rooj plaub tau piav qhia hauv qab no. Nco tseg: Txawm hais tias cov kab ke ntawm cov kab sib npaug tuaj yeem muaj 3 lossis ntau qhov sib npaug, peb yuav xa mus rau cov xwm txheej feem ntau - lub qia nrog 2 kab.

Dab tsi yog ib qho kev sib npaug nrog cov kev daws teeb meem tsis kawg?

Kev daws qhov System of Equations los ntawm Hloov 0 = 0 Raws li koj pom peb muaj qhov sib npaug ntawm qhov qub. Qhov no txhais tau tias kev sib npaug muaj ib tsis kawg tus lej ntawm kev daws teeb meem . Siv ib qho nqi ntawm x thiab y uas daws ib qho kev sib npaug thiab cov txiaj ntsig zoo ib yam yuav daws qhov thib ob.

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