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Video: Dab tsi yog qhov system ntawm kev sib npaug hauv algebra?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
SYSTEMS OF EQUATIONS . A system ntawm equations yog sau los ntawm ob lossis ntau dua kev sib npaug nrog ib tug tib txheej ntawm tsis paub. Hauv kev daws teeb meem a system ntawm equations , peb sim nrhiav qhov tseem ceeb rau txhua qhov tsis paub uas yuav txaus siab rau txhua tus kev sib npaug hauv qhov system.
Tsis tas li ntawd, qhov system hauv lej yog dab tsi?
A " qhov system " ntawm qhov sib npaug yog ib txheej los yog sau ntawm qhov sib npaug uas koj cuam tshuam nrog tag nrho ua ke ib zaug. Kab sib npaug (tus uas graph li cov kab ncaj) yog qhov yooj yim dua li cov kab zauv uas tsis yog kab sib npaug, thiab qhov yooj yim tshaj plaws linear qhov system yog ib qho nrog ob qhov sib npaug thiab ob qhov sib txawv.
Ib yam li ntawd, koj yuav nrhiav tau qhov system ntawm kev sib npaug li cas? Nov yog qhov nws mus:
- Kauj Ruam 1: Daws ib qho kev sib npaug rau ib qho ntawm qhov sib txawv.
- Kauj Ruam 2: Hloov qhov sib npaug mus rau lwm qhov sib npaug, thiab daws rau x.
- Kauj Ruam 3: Hloov x = 4 x = 4 x = 4 rau hauv ib qho ntawm qhov sib npaug qub, thiab daws rau y.
Ua raws li qhov xav tau, 3 hom kev sib npaug yog dab tsi?
Muaj peb hom kab sib npaug ntawm cov kab sib npaug hauv ob qhov sib txawv, thiab peb hom kev daws teeb meem
- Ib qho kev ywj pheej muaj raws nraim ib qho kev daws teeb meem [Math Processing Error].
- Ib qho kev tsis sib haum xeeb tsis muaj kev daws teeb meem.
- Ib tug dependent system muaj ntau infinitely daws.
Dab tsi yog qhov kev daws teeb meem rau ib qho kev sib npaug?
A qhov system ntawm linear kev sib npaug muaj ob lossis ntau dua kev sib npaug e.g. y = 0.5x + 2 y = x - 2. Cov daws ntawm zoo li ib qhov system yog tus txiav txim khub uas yog a daws rau ob leeg kev sib npaug . Cov daws mus rau qhov system yuav nyob rau hauv lub point uas ob kab sib tshuam.
Pom zoo:
Yuav daws qhov tsis sib npaug ntawm cov kab sib npaug thiab cov kab sib npaug sib npaug li cas?
Kev daws qhov tsis sib npaug ntawm qhov sib npaug yog zoo ib yam li kev daws cov kab sib npaug. Qhov sib txawv tseem ceeb yog koj tig lub cim tsis sib xws thaum faib lossis muab faib los ntawm tus lej tsis zoo. Graphing linear inequalities muaj ob peb qhov sib txawv ntxiv. Qhov uas yog qhov ntxoov ntxoo muaj xws li qhov tseem ceeb uas qhov kev tsis sib xws ntawm cov kab tawm muaj tseeb
Dab tsi yog qhov txawv ntawm qhov sib txawv ntawm qhov sib txawv thiab qhov sib txawv ntawm qhov ntab?
Integers thiab floats yog ob yam sib txawv ntawm cov ntaub ntawv tus lej. Ib tus lej (feem ntau hu ua anint) yog tus lej tsis muaj tus lej lej. Float isa floating-point number, uas txhais tau hais tias nws yog tus lej uas muaj tus lej lej. Floats siv thaum xav tau ntau dua
Qhov sib npaug sib npaug rau qhov nruab nrab ntawm h2so4 los ntawm Koh yog dab tsi?
Hauv daim vis dis aus no peb yuav sib npaug ntawm qhov sib npaug KOH + H2SO4 = K2SO4 + H2O thiab muab cov coefficients raug rau txhua qhov sib xyaw. Txhawm rau sib npaug KOH + H2SO4 = K2SO4 + H2O koj yuav tsum nco ntsoov suav tag nrho cov atoms ntawm txhua sab ntawm cov tshuaj sib npaug
Dab tsi yog qhov tseem ceeb ntawm cov coefficients hauv kev sib npaug sib npaug?
Coefficients yog ib qho tseem ceeb los ua pov thawj txoj cai ntawm kev txuag ntawm huab hwm coj. Cov coefficients nyob rau hauv ib qho kev sib npaug ntawm cov tshuaj sib npaug qhia cov txheeb ze ntawm moles ofreactants thiab cov khoom. Los ntawm cov ntaub ntawv no, lub Cheebtsam ntawm reactants thiab cov khoom yuav raug xam. Koj tuaj yeem txiav txim seb tus lej ntawm moles ntawm cov khoom
Dab tsi yog qhov sib txawv ntawm cov kab lus sib npaug thiab qhov sib npaug sib npaug?
Cov kab lus sib npaug muaj qhov muaj txiaj ntsig zoo ib yam tab sis tau nthuav tawm nyob rau hauv ib hom ntawv sib txawv uas siv cov khoom ntawm cov lej xws li ax + bx = (a + b) x yog cov kab lus sib npaug. nruj me ntsis, lawv tsis yog 'sib npaug', yog li peb yuav tsum siv 3 kab sib luag hauv 'sib npaug' es tsis yog 2 raws li qhia ntawm no