Ib phau ntawv muaj cov ntsiab lus hauv qab no rau ob qhov ntau kom ncaj qha proportional: Peb hais tias y yog ncaj qha proportional rau x yog y=kx rau qee qhov k. … Qhov no txhais tau hais tias ob qho tib si muaj tib yam. Thaum ib tug nce rau lwm tus nce los ntawm tib tus nqi.
Puas yog proportional tib yam ncaj qha proportional?
Tus nqi ntawm qhov tsis tu ncua yog hu ua coefficient ntawm proportionality lossis proportionality tas li. … Nyob rau hauv cov ntaub ntawv no y yog hais ncaj qha proportional rau x nrog proportionality tas li k. Sib npaug ib tug yuav sau x=1k ⋅ y; uas yog, x yog ncaj qha proportional rau y nrog proportionality tas li 1k (=xy).
Puas yog proportional ncaj qha los yog inversely?
Yog ib tus nqi yog inversely proportional mus rau lwm tus ces nws yog sau siv lub proportionality cim nyob rau hauv ib txoj kev sib txawv. Inverse proportions tshwm sim thaum ib tus nqi nce thiab qhov txo qis. Piv txwv li, ntau tus neeg ua haujlwm ntawm txoj haujlwm yuav txo lub sijhawm los ua kom tiav txoj haujlwm. Lawv yog inversely proportional.
Puas ncaj qha txhais tau tias yog proportional?
Direct proportion or direct variation is kev sib txheeb ntawm ob qhov ntau qhov twg qhov piv ntawm ob yog sib npaug rau tus nqi tas li. Nws yog sawv cev los ntawm lub proportional cim, ∝. … Thaum peb tshem cov cim proportionality, qhov piv ntawm x thiab y yuav sib npaug rau qhov tsis tu ncua, xws li x/y=C, qhov C yog qhov tsis tu ncua.
Ib qho piv txwv ntawm ncaj qha proportional yog dab tsi?
Thaum ob qhov ntau yog ncaj qha proportional nws txhais tau hais tias yog ib qho khoom nce los ntawm ib feem pua, lwm qhov ntau nce los ntawm tib feem pua thiab. Ib qho piv txwv yuav yog li nqi roj nce nqi, khoom noj khoom haus nce nqi.
