Cov txheej txheem:

Yuav ua li cas koj nrhiav tau qhov sib npaug ntawm ib kab uas muab ib tug point thiab ib tug parallel kab?
Yuav ua li cas koj nrhiav tau qhov sib npaug ntawm ib kab uas muab ib tug point thiab ib tug parallel kab?

Video: Yuav ua li cas koj nrhiav tau qhov sib npaug ntawm ib kab uas muab ib tug point thiab ib tug parallel kab?

Video: Yuav ua li cas koj nrhiav tau qhov sib npaug ntawm ib kab uas muab ib tug point thiab ib tug parallel kab?
Video: Npau Suav li no Txhob coj mus tham qhia luag lwm tus 2024, Lub peb hlis ntuj
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Cov kev sib npaug ntawm kab hauv daim ntawv nqes hav-intercept yog y=2x+5. Txoj kab nqes ntawm parallelline ib:m=2. Yog li, cov kev sib npaug ntawm kab sib npaug y = 2 x + a. Yuav kom nrhiav tau ib, peb siv qhov tseeb hais tias lub kab yuav tsum dhau ntawm qhov muab point :5=(2)⋅(−3)+a.

Kuj paub, koj ua li cas thiaj nrhiav tau qhov sib npaug ntawm cov kab sib txuas uas dhau los ntawm ib qho taw qhia?

Txoj Kev 1: Siv Daim Ntawv Slope Intercept Form

  1. Hloov txoj kab nqes los ntawm thawj kab (3 hauv qhov no) rau hauv kab zauv y = 3x + b.
  2. Hloov cov ntsiab lus muab (1, 7) rau hauv x thiab y qhov tseem ceeb 7 = 3(1) + b.
  3. daws rau b (y-intercept)
  4. Hloov tus nqi no rau 'b' nyob rau hauv txoj kab nqes intercept formequation y = 3x + 4.

Tsis tas li ntawd, koj sau qhov sib npaug ntawm ib kab los ntawm ib qho point li cas? Cov kev sib npaug ntawm ib kab feem ntau yog sau asy = mx + b qhov twg m yog txoj kab nqes thiab b yog y-intercept. Yog koj a taw tes tias a kab hla dhau , thiab nws txoj kev nqes hav, nplooj ntawv no yuav qhia koj seb yuav nrhiav tau li cas kev sib npaug ntawm kab . Sau cov taw tes tias cov kab hla dhau

Ntxiv mus, kuv yuav ua li cas thiaj nrhiav tau qhov sib npaug ntawm kab sib luag?

Ob kab yog thaum uas tig mus yog tias muaj cov nqes hav zoo ib yam. Piv txwv 1: Nrhiav txoj kab nqes ntawm kab sib npaug mus rau kab 4x – 5y = 12 nrhiav txoj kab nqes ntawm no kab peb yuav tsum tau kab intoslope-intercept form (y = mx + b), uas txhais tau tias peb yuav tsum tau daws fory: Qhov nqes hav ntawm lub kab 4x – 5y = 12 m = 4/5.

Yuav ua li cas koj tsim ib txoj kab uas tig mus rau ib tug muab kab?

Txoj Kev 1 Kos duab kab kab

  1. Nrhiav cov kab uas tau muab thiab qhov chaw muab.
  2. Kos ib qho arc uas hla cov kab uas tau muab rau ntawm ob qhov sib txawv.
  3. Kos ib tug me me arc tawm tsam qhov muab.
  4. Kos ib qho me me arc sib tshuam rau yav dhau los.

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