Kutsvaga Kusingabatanidzwe Hunhu hweRational Matauriro
Factor the denominator yerational expression. Tsvaga kukosha kunoita kuti chinhu chimwe nechimwe chienzane ne zero. Izvi hazvibatanidzwe kukosha kweiyo domain yerational expression.
Saizvozvo, Iwe unowana sei isingabatanidzwe tsika pane girafu?
Iwe unoona sei iyo isingabatanidzwe kukosha S iyo ichaita kuti chirevo chakapihwa chisatsanangurwa? Chirevo chine musoro hachitsananguriki kana denominator yakaenzana ne zero. Kuti uwane hunhu hunoita chirevo chine musoro chisina kutsanangurwa, isa denominator yakaenzana ne zero uye gadzirisa zvabuda equation. Muenzaniso: 0 7 2 3 xx − Haitsananguriki nokuti zero iri mudhinomineta.
Iwe unogona sei kuona iyo isingabatanidzwe kukosha mune chigadzirwa kana quotient yezviviri zvinonzwisisika kutaura? chigadzirwa kana quotient yezvirevo zviviri zvine musoro? Iwe unogona kuwanza nekugovanisa mataurirwo ane musoro nenzira imwechete yaunowanza nekugovanisa zvikamu. Hunhu hunoita kuti denominator yekutaura zero hazvibatanidzwe tsika.
Chechipiri Chii chakasabatanidzwa kukosha 0 1? Ukoshi husingasanganisirwe hwechishongedzo kukosha kwemutsara apo chirevo chacho chisina kutsanangurwa. Semuenzaniso, chidimbu hachina kutsanangurwa kana denominator yacho iri zero. Saka kukosha kwekusabatanidzwa kwechikamu 1x ndiko x = 0 .
Unoziva sei kana nhamba yakabatanidzwa kana kusabatanidzwa?
Iyo notation inogona kunge ichivhiringa zvishoma, asi ingorangarira kuti masikweya mabhuraketi anoreva kuti magumo anosanganisirwa, uye mabhuraketi anotenderera zvinoreva kuti haina kubatanidzwa. Kana mapoinzi ese ari maviri akasanganisirwa nguva yacho inonzi yakavharwa, kana ese akasabatanidzwa anonzi akavhurika.
zvino Ndechipi chirevo chinonyatso tsanangura hunhu husingaverengeki hwechirevo chinonzwisisika? Nhamba yezvisingasanganisirwe zvakakosha zvechirevo chinonzwisisika haikwanise kudarika musiyano mumadhigirii enhamba nedhinominata.
Ndezvipi zvisingabatanidzwe tsika 1? Chii Chisingasanganisirwe Value? Zvisingabatanidzi tsika zvinongodaro: tsika dzisingabatanidzwe, kana kusiiwa kunze. Aya ndiwo maitiro ayo ichaita kuti dhinomineta rechirevo chechirevo chienzane na0. Rangarira, hautenderwe kupatsanura na 0, saka izvi zvakakosha zvakakosha kuziva uye kusabvisa paunenge uchigadzirisa.
Ndezvipi zvakasiyana-siyana zvinofanira kuiswa uye kusabatanidzwa?
Kubatanidzwa uye kusabvisa maitiro anogona kusanganisira zvinhu zvakadai se zera, murume kana mukadzi, rudzi, dzinza, rudzi uye danho rechirwere, nhoroondo yemarapirwo emukuru wenyaya, uye kuvapo kana kusavapo (sezvakaita nyaya ye "utano" kana "kudzora" nyaya) yezvimwe zvekurapa, zvepfungwa, kana manzwiro.
Unowana sei zvirambidzo pakukamura mashoko ane musoro? Iwo makoshero anopa kukosha kwe0 mudhinominata kune ese mataurirwo ndiwo anorambidzwa. Kuparadzanisa mazwi ane musoro, wedzera nhamba nekudzokorora kwedivisor. Izvo zvinorambidzwa kune domain yechigadzirwa zvinosanganisira zvirambidzo kune iyo domain yechinhu chimwe nechimwe.
Ndeipi kukosha kwekusabatanidzwa kwekuita basa?
Muchiitiko chinonzwisisika, kukosha kwakasiiwa ndiko chero x -value inoita kuti basa rive rinokosha y risina kutsanangurwa. Saka, izvi zvakakosha hazvifanirwe kubviswa kubva kudura rebasa. Semuenzaniso, iyo isingabatanidzwe kukosha kweiyo basa y = 2x + 3 ndeye -3. Kureva kuti kana x=−3 , kukosha kwe y hakuna kutsanangurwa.
Iwe unoona sei kusabatanidzwa kukosha kunoita kuti chirevo chakapihwa chisatsanangurwa?
Zvinoreva here kusanganisira kana kusabvisa?
Mabhuraketi anoreva anosanganisira, maparentheses kureva kusasanganisa. (4, 27] zvinoreva kuti hazvibatanidzi 4; sanganisira 27.
Is 0 nhamba chaiyo?
Nhamba chaidzo, chokwadika, dzakanyanya nhamba ipi zvayo yaungafunga nezvayo. … Nhamba chaidzo dzinogona kuva positive kana negative, uye sanganisira nhamba zero. Dzinodaidzwa kunhamba chaidzo nekuti hadzisi dzekufungidzira, inova imwe nzira yenhamba.
Chii chinoita kuti mhinduro yerational equation ive yekunze? Chii chinoita kuti mhinduro kuequation inonzwisisika ive mhinduro yekunze? Kana mhinduro ikaita zero kana yatsiviwa mudhinomineta yeequation, mhinduro ndeyekunze.
Ndezvipi zviratidzo zvakafanana? Matauriro maviri akaenzana kana anogona kurerutswa kusvika pakutaura kumwe chete kwechitatu kana kuti chimwe chezvirevo zvacho chichigona kunyorwa sechimwe. Uye zvakare, iwe unogona zvakare kuona kana mataurirwo maviri akaenzana kana hunhu hwatsiviwa mukusiyana uye zvese zvinosvika pamhinduro imwechete.
Chii chiri muchimiro chakareruka?
Chikamu chiri muchimiro chakareruka kana kumusoro nepasi pasina zvinhu zvakajairika kunze kwe1. Mune mamwe mazwi, haugone kugovera kumusoro uye pasi zvakare uye ita kuti dzive nhamba dzese. Iwe unogona zvakare kunzwa yakapusa fomu inonzi "yakaderera mazwi". iri muchimiro chiri nyore.
Chii chakasabatanidzwa kukosha kwe3x? ⇒3x=1 ⇒x = 13 ndiko kukosha kwakabviswa.
Chii chinonzi Kusasanganisira musvomhu?
Ongorora: Asingasanganisirwe maitiro angori ayo: maitiro asina kubatanidzwa, kana asiya kunze. Aya ndiwo makoshero achaita kuti dhinomineta rechirevo chechirevo chienzane na 0. Rangarira, hautenderwe kupatsanura na 0, saka izvi zvakakosha zvakakosha kuziva uye kusabvisa paunenge uchigadzirisa.
Chii chinofanira kuiswa kunze kwekuganhurwa kwechidzidzo? Zvikamu zvechidzidzo ndizvo zvinhu uye variables haifaniri kubatanidzwa mukuferefeta. Mune mamwe mazwi, iwo ndiwo miganhu inoiswa nemuongorori maererano nenguva yekudzidza, huwandu hwevanhu uye rudzi rwevatori vechikamu, nezvimwe.
Ko kusabvisa zvinorevei?
zvishoma kana kusakwanisa kuti chimwe chinhu chiitike.
Ndezvipi zvakasiyana-siyana zvinosanganisirwa? Quantitative variables
Rudzi rwekuchinja | Mashoko acho anomiririrei? |
---|---|
Discrete variables (aka integer variables) | Zviverengero zvezviro zvega zvega kana hunhu. |
Zvinoramba zvichichinja (aka ratio variables) | Zviyero zvezvinoenderera kana zvisingapere. |
Nov 21, 2019