Video: B yog dab tsi nyob rau hauv lub quadratic equation?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Quadratic function: Ua plaub fab functionis f(x) = a * x^2 + b * x + c, uas qhia koj tias qhov kev ua haujlwm yuav zoo li cov duab kos. B -value: Ib b -valueis tus lej nruab nrab, uas yog tus lej tom ntej thiab muab faib ua x; kev hloov ntawm tus nqi ntawm b cuam tshuam rau parabola thiab cov txiaj ntsig tau.
Ntawm no, B yog dab tsi nyob rau hauv quadratic formula?
Cov Quadratic Formula siv cov "a", " b ", thiab "c" los ntawm "ax2 + bx + c", qhov "a", " b ", thiab"c" yog cov lej xwb; lawv yog "tus lej coefficients" ntawm cov quadratic equation lawv twb muab rau koj daws.
Qhov thib ob, dab tsi yog A hauv kev sib npaug plaub npaug? Hauv algebra, a quadratic equation (los ntawm Latinquadratus rau "square") yog ib qho kev sib npaug muaj daim foos.qhov twg x sawv cev rau qhov tsis paub, thiab a, b, thiab c sawv cev rau cov lej paub, nrog ≠ 0. Yog tias a = 0, ces qhov kev sib npaug islinear, tsis plaub fab , raws li tsis muaj lub sij hawm.
Tsis tas li ntawd, B yog dab tsi hauv kab zauv ntawm parabola?
Tus qauv kev sib npaug ntawm parabola yog.y=ax2+ b x + c. Tab sis lub kev sib npaug rau a parabola tuaj yeem sau ua "vertex form": y = a(x−h)2+k. Hauv no kev sib npaug , lub vertex parabola yog point(h,k).
Dab tsi yog 3 daim ntawv ntawm kev ua haujlwm quadratic?
Thaum feem ntau ntawm txoj kev los sau cov plaub fab kev sib npaug yog redundant thiab useless, muaj peb daim ntawv uas yeej muaj kev siv tshwj xeeb. Cov no peb lub ntsiab daim ntawv uas peb graph parabolas los yog hu ua standard daim ntawv , cuam tshuam daim ntawv thiab vertex daim ntawv.
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