Kwimathematika, ithambeka lichaza indlela otyeke ngayo umgca othe ngqo. Ngamanye amaxesha ibizwa ngokuba yi-gradient. Ii-equations for Slope. Ukuthambeka kuchazwa “njengotshintsho ku-y” ngaphezu ko “tshintsho ku x” lomgca. Ukuba ukhetha amanqaku amabini emgceni — (x1,y1) kunye (x2,y2) — ungabala ithambeka ngokwahlula y2 – y1 phezu kwe x2 – x1.
Apha, Ngaba u-y-intercept ngu-y1 okanye y2? Ukuba siyazazi ulungelelwaniso lwamanqaku amabini – (x1, y1) kunye (x2, y2) – ngomgca, singabala ukuthambeka kwayo y-banqande kubo. Ithambeka, m, lutshintsho ku-y (y, okanye y2 – y1), lwahlulwe lutshintsho ku-x (x, okanye x2 – x1).
Yintoni u-x2 kunye no-x1?
Ukongeza Ungamahlula njani u-x1 ku-x2?
Ingaba inomsebenzi wokuba yeyiphi inqaku elithi x1 kunye no-x2? Inqaku elinye ngu (x1, y1) kwaye enye inqaku ngu (x2, y2). Ayinamsebenzi nokuba yeyiphi na (x1, y1) kwaye yeyiphi engu (x2, y2).
Yintoni ukuthambeka kwe-2x 3y =- 15?
Ukwahlula amaxabiso amabini angalunganga kukhokelela kwixabiso elilungileyo. Hlela kwakhona i-5 5 kunye ne-2×3 2 x 3. Bhala kwakhona ngendlela ye-slope-intercept. Ukusebenzisa ifom ye-slope-intercept, i-slope i 23 .
Uyifumana njani iy2? Unokuthi x2 = x1 + ububanzi. Ukuphakama kusebenza ngendlela efanayo, ngoko y2 = y1 + ubude .
Ubala njani uy1 ukusuka kumgama?
Uyithini ifomula yomgama?
Kwakhona Uthini umgama phakathi kwamanqaku? Umgama phakathi kwamanqaku amabini uchazwa njenge ubude bomgca othe ngqo odibanisa la manqaku kwindiza yokulungelelanisa. Lo mgama awusoze ube mbi, ke ngoko sithatha elona xabiso lipheleleyo ngelixa sifumana umgama phakathi kwamanqaku amabini.
Uyifumana njani iy1?
Umiselwa njani umgama phakathi kwamanqaku amabini? Funda indlela yokufumana umgama phakathi kwamanqaku amabini ngokusebenzisa ifomula yomgama, osisicelo se-theorem yePythagorean. Singaphinda siyibhale ithiyori yePythagorean njenge d=√((x_2-x_1)²+(y_2-y_1)²) ukufumana umgama phakathi kwawo nawaphi na amanqaku amabini.
Yintoni u-y1 kwimo ye-point-slope?
Kuthini ukuthambeka komgca odlula kumanqaku (- 5'4 no-3 2?
Ithambeka 4 .
Wenza njani 3x 4y 8? izihloko
- 3x – 4y = 8. 3x−4y=8. Yongeza 4y kumacala omabini. Yongeza 4y kumacala omabini.
- 3x=8+4y. 3x=8+4y. Inxaki ikwimo eqhelekileyo. Inxaki ikwimo eqhelekileyo.
- 3x=4y+8. 3x=4y+8. Yahlula omabini amacala ngo-3. Yahlula omabini amacala ngesi-3.
- frac{3x}{3}=frac{4y+8}{3} 33x=34y+8 Ukwahlula ngo-3 kuphelisa uphinda-phindo ngo-3.
Yintoni u-2x 3y kwindlela yokuthintela ukuthambeka? ISISHWANKATHELO: Ifom ye-slope-intercept ye-linear equation 2x + 3y = 6 inikwe ngu. y = (-2/3)x + 2.
Yintoni i-gradient ye-Y 4x 8?
y = 4x – 8 unothambeka lwe 4.
Ngaba inomsebenzi wokuba yeyiphi na u-x1 kunye no-x2? Enye inqaku ngu (x1, y1) kwaye enye inqaku ngu (x2, y2). Ayinamsebenzi nokuba yeyiphi na (x1, y1) kwaye yeyiphi engu (x2, y2).
Yintoni u-x1 kunye no-x2 kumanani-nkcazo?
xi imele ixabiso lexabiso le-X. Kwidatha, x1 = 21, x2 = 42, njalo njalo. … Kwidatha, Σxi = 21 + 42 +… + 52 = 290.
Uthini umgama phakathi kwamanqaku amabini x1 y1 kunye no-x2 y2? Umgama phakathi kwamanqaku amabini P(x1,y1) kunye ne-Q(x2,y2) unikwa ngu: d(P, Q) = √ (x2 − x1)2 + (y2 − y1)2 {Ifomula yomgama} 2. Umgama wenqaku P(x, y) ukusuka kwimvelaphi unikwa ngu-d(0,P) = √ x2 + y2. 3. Inxaki ye-x-axis ngu-y = 0 4.
Uwufumana njani umgama phakathi kwe-x1 y1 kunye ne-x2 y2?
Ifomula yomgama ngu √[(x2-x1)²+(y2-y1)²]. Ungayicinga njengokwandiswa kwethiyori yePythagorean!
Uthini umgama phakathi kwamanqaku f 3/4 kunye ne-H 6 8? Umgama phakathi kwamanqaku ngu Iifayile okanye ama-5.385 asondezwe kwelonawaka likufutshane.