Dab tsi yog qhov sau thiab ntau ntawm kab?

2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36

Vim lub sau npe hais txog cov txheej txheem ntawm cov khoom siv tau, cov sau npe ntawm ib daim duab muaj tag nrho cov input qhov tseem ceeb qhia nyob rau hauv x-axis. Cov ntau yog cov txheej txheem ntawm cov txiaj ntsig tau tso tawm, uas tau qhia ntawm y-axis.

Yog li ntawd, dab tsi yog qhov sau thiab ntau ntawm kab ntsug?

Cov duab sib cais no txhua tus dhau qhov Kab ntsug Kuaj thiab ua haujlwm. Cov sau npe rau ob txoj haujlwm yog x> 0. Tus ntau ntawm thawj txoj haujlwm yog y> 0, thiab qhov ua haujlwm thib ob yog y <0. Yog tias a sau npe tsis tau hais, nws feem ntau xav tias yog txhua tus lej tiag.

Ib tug kuj yuav nug, koj nrhiav tau qhov ntau npaum li cas? Summary: Lub ntau ntawm ib txheej ntawm cov ntaub ntawv yog qhov sib txawv ntawm qhov siab tshaj thiab qis tshaj qhov tseem ceeb hauv cov txheej txheem. Rau nrhiav qhov ntau , ua ntej xaj cov ntaub ntawv los ntawm tsawg kawg mus rau qhov loj tshaj plaws. Tom qab ntawd rho tus nqi tsawg tshaj plaws los ntawm tus nqi loj tshaj plaws hauv cov teeb.

Dhau li ntawd, koj sau npe thiab ntau npaum li cas?

Nyob rau hauv cov kev txiav txim khub {(-2, 0), (0, 6), (2, 12), (4, 18)}, sau npe yog cov txheej txheem ntawm thawj tus lej hauv txhua khub (cov no yog x-coordinates): {-2, 0, 2, 4}. Cov ntau yog txheej thib ob ntawm tag nrho cov khub (cov no yog y-coordinates): {0, 6, 12, 18}.

Vim li cas tus sau thiab ntau yam tseem ceeb?

Nyob rau hauv nws yooj yim daim ntawv lub sau npe yog tag nrho cov txiaj ntsig uas nkag mus rau hauv kev ua haujlwm, thiab cov ntau yog tag nrho cov txiaj ntsig uas tawm tuaj. Tab sis qhov tseeb lawv yog heev tseem ceeb hauv kev txhais ib txoj haujlwm.