Video: Lub hauv paus hauv Algebra 2 yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
cag . Cov ntsiab lus Cov hauv paus hniav . Nplooj 1 nplooj 2 . Cov kev daws teeb meem rau y = f (x) thaum y = 0 hu ua keeb kwm ntawm kev ua haujlwm (f (x) yog ib qho haujlwm). Cov no yog cov ntsiab lus uas cov duab ntawm ib qho kev sib npaug hla lub x-axis.
Ib yam li ntawd, koj tuaj yeem nug, hauv paus hauv algebra yog dab tsi?
Tus lej tiag x yuav raug hu ua kev daws teeb meem lossis a hauv paus yog tias nws txaus siab rau qhov sib npaug, lub ntsiab lus. Nws yog ib qho yooj yim pom tias cov keeb kwm yog cov x-intercepts ntawm lub quadratic muaj nuj nqi., uas yog kev sib tshuam ntawm daim duab ntawm lub quadratic muaj nuj nqi nrog x-axis.
Tsis tas li ntawd, lwm lub npe rau cov hauv paus hauv lej yog dab tsi? Hauv paus (ntawm tus lej)
- Lub hauv paus thib ob feem ntau hu ua "square root".
- Lub hauv paus thib peb ntawm tus lej feem ntau yog hu ua "cube root",
- Tom qab ntawd, lawv hu ua nth cag, piv txwv li lub hauv paus 5, lub hauv paus 7 thiab lwm yam.
Ib yam li ntawd, cov hauv paus hniav nyuaj hauv Algebra 2 yog dab tsi?
Cov keeb kwm belongs rau lub teeb ntawm complex tus lej, thiab yuav hu ua " cov hauv paus hniav complex "(los yog" kev xav hauv paus "). Cov cov hauv paus hniav complex yuav qhia nyob rau hauv daim ntawv a ± bi. Ib qho quadratic equation yog ntawm daim ntawv ax 2 + bx + c = 0 qhov twg a, b thiab c yog tus lej tiag tiag nrog qhov tsis sib npaug rau xoom.
Qhov zero tiag tiag yog dab tsi?
Zeros tiag . Nco qab tias a tiag zero yog qhov twg daim duab hla los yog kov lub x-axis. Xav txog qee cov ntsiab lus raws tus x-axis.
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