2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ib txoj kab nqes zoo txhais tau tias ob qhov sib txawv yog qhov muaj txiaj ntsig zoo-uas yog, thaum x nce, yog li y, thiab thaum x qis, y kuj txo. Graphically, txoj kab nqes zoo txhais tau hais tias raws li ib txoj kab ntawm kab teeb txav ntawm sab laug mus rau sab xis, kab nce.
Qhov piv txwv zoo nqes hav yog dab tsi?
Hauv peb qhov piv txwv pizza, txoj kab nqes zoo qhia peb tias tus naj npawb ntawm toppings peb xaj (x) nce, tag nrho cov nqi ntawm pizza (y) kuj nce. Piv txwv li, raws li tus naj npawb ntawm cov neeg uas txiav luam yeeb (x) nce, cov neeg mob ntsws cancer (y) txo qis.
nqe nqes tsis zoo txhais li cas?
Visually, ib kab muaj qhov nqes hav tsis zoo yog tias nws nqes mus rau sab xis (lossis nce thiab sab laug). Kev ua lej, qhov no txhais tau tias as x nce, y txo.
txoj kab nqes tsis zoo zoo li cas?
nraaj, txoj kab nqes tsis zoo txhais tau hais tias raws li kab ntawm kab kos txav ntawm sab laug mus rau sab xis, kab poob. Peb yuav kawm tias "tus nqi" thiab "qhov xav tau" muaj kev sib raug zoo tsis zoo; uas yog, cov neeg siv khoom yuav yuav tsawg dua thaum tus nqi siab dua. … Graphically, kab yog tiaj; qhov nce tshaj khiav yog xoom.
4 hom kev nqes hav yog dab tsi?
Muaj plaub yam kev nqes hav. Lawv yog positive, negative, xoom, thiab indefinite.
Pom zoo:
Puas yog ob kab nrog txoj kab nqes zoo tuaj yeem txuas ntxiv?
tsis ua tau rau obkab nrog qhov zoo nqes kom ua rau ib leeg. Yuav ua li cas 2 kab nrog qhov nqes qhov tsis zoo tuaj yeem ua rau perpendicular? Yog tias txoj kab nqes ntawm ob kab yog tsis zoo sib xws, cov kab yog perpendicular. vim lawv qhov nqes hav ntawm 0 muaj undefined reciprocals.
Txoj kab nqes ntawm txoj kab nqes yog dab tsi?
Txoj kab nqes ntawm txoj kab nqes tseem hu ua nruab nrab tus nqi hloov pauv ntawm f hla lub sijhawm [x, x+Δx]. Kev sib npaug ntawm kab lus dab tsi? Teb: Qhov sib npaug ntawm kab zauv muab ob lub ntsiab lus (a, b) thiab (c, d) yog y - b=[
Puas yog txoj kab nqes ntawm txoj kab tsis ntsug?
Fact: Ib kab tsis ntsug tsuas muaj ib txoj kab nqes xwb. Ntawd yog, nws ua rau tsis muaj qhov sib txawv ntawm ob lub ntsiab lus koj xaiv ntawm kab los xam qhov nqes hav vim tias koj yuav tau txais qhov txiaj ntsig zoo ib yam. … Thaum nrhiav (los yog kwv yees) qhov nqes hav, yog tias koj khiav qhov zoo, ces qhov "
Nqes hav thiab nqes nqes txhais li cas?
Nyob rau hauv huab cua, cua kev taw qhia yog kev taw qhia cua los ntawm. … Upwind is the direction the wind is from. Yog hais tias cua tshuab los ntawm Northwest (tshuab mus rau sab hnub tuaj) ces lub upwind direction yog mus rau Northwest thiab downwind direction yog mus rau sab hnub tuaj.
Puas kab kab rov tav puas muaj txoj kab nqes?
Ib kab kab rov tav muaj nqes xoom vim nws tsis nce vertically (ie y 1 − y 2 =0), hos ib txoj kab ntsug tsis tau txhais txoj kab nqes vim nws tsis khiav horizontally (x 1 − x 2=0). … Vertical kab yog cim sawv cev los ntawm qhov sib npaug, x=a qhov twg a yog x-intercept.
