Video: Nws txhais li cas thaum ob daim duab sib tshuam?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Infinite Solutions
Nco ntsoov, lub daim duab ntawm ib kab sawv cev rau txhua qhov chaw uas yog qhov ua tau rau kev sib npaug ntawm kab ntawd. Sow thaum daim duab ntawm ob equations cross, point of kev sib tshuam dag ntawm ob kab, lub ntsiab lus tias nws yog qhov ua tau daws tau rau ob qho tib si sib npaug.
Ntawm no, nws hu ua dab tsi thaum ob kab sib tshuam ntawm daim duab?
Keeb kwm - Lub hauv paus chiv keeb yog qhov chaw nyob qhov twg X thiab Y axis sib tshuam ntawm ib daim duab . Qhov no yog qhov point (0, 0) hauv a ob - qhov ntev daim duab . Parallel kab - Kab uas tsis tau sib tshuam los yog tus ntoo khaub lig yog parallel kab . Parallel kab.
Koj pom qhov twg ob daim duab sib tshuam? Txhawm rau nrhiav qhov kev sib tshuam ntawm ob txoj kab ncaj nraim:
- Ua ntej peb xav tau qhov sib npaug ntawm ob kab.
- Tom qab ntawd, txij li thaum lub ntsiab lus ntawm kev sib tshuam, ob qhov sib npaug yuav muaj qhov sib npaug ntawm x thiab y, peb muab ob qhov sib npaug sib npaug rau ib leeg.
Tom qab ntawd, lo lus nug yog, yuav ua li cas thaum ob kab sib tshuam?
Ob los yog ntau dua kab uas sib ntsib ntawm ib lub ntsiab lus yog hu ua kev sib tshuam kab . Qhov point ntawm kev sib tshuam yog lub ntsiab lus qhia los ntawm kev sib tshuam kab . Yog ob kab sib tshuam thiab tsim cov kaum sab xis, lawv yog perpendicular kab.
Lub ntsiab lus ntawm kev sib tshuam hauv lej yog dab tsi?
Ib kev sib tshuam yog ib lub ntsiab lus uas ob kab sib ntsib los yog hla ib leeg. Hauv daim duab saum toj no, kho qhov taw tes Bupwards kom txog thaum ob kab ntu tsis ntxiv lawm sib tshuam.
Pom zoo:
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