Ezibalweni, umthambeka uchaza ukuthi umugqa oqondile ukhuphuka kangakanani. Ngezinye izikhathi ibizwa ngokuthi i-gradient. Izibalo ze-Slope. Umthamo uchazwa ngokuthi “ushintsho ku-y” ngaphezu “koshintsho ku-x” lomugqa. Uma ukhetha amaphuzu amabili emugqeni — (x1,y1) kanye (x2,y2) — ungabala umthambeka ngokuhlukanisa u-y2 – y1 phezu kuka-x2 – x1.
Lapha, Ingabe u-y-intercept y1 noma y2? Uma sazi izixhumanisi zamaphuzu amabili - (x1, y1) kanye (x2, y2) - emgqeni, singabala ukuthambekela kwawo kanye y-nqamula kubo. Umthambeka, m, wushintsho ku-y (y, noma y2 – y1), ihlukaniswe ngoshintsho kokuthi x (x, noma x2 – x1).
Yini i-x2 ne-x1?
Ukwengeza Ungayihlukanisa kanjani i-x1 ku-x2?
Ingabe kunendaba ukuthi yiliphi iphuzu elithi x1 kanye no-x2? Iphuzu elilodwa lithi (x1, y1) kanti elinye iphuzu lithi (x2, y2). Akunandaba ukuthi iyiphi (x1, y1) nokuthi ikuphi (x2, y2).
Ithini i-slope ka-2x 3y =- 15?
Ukwehlukanisa amanani amabili angemuhle kuphumela yenani eliphozithivu. Hlela kabusha 5 5 kanye 2×3 2 x 3 . Bhala kabusha ngendlela ye-slope-intercept. Ukusebenzisa ifomu lokunqamula i-slope-intercept, umthambeko uwukuthi 23 .
Uyithola kanjani i-y2? Ungasho ukuthi x2 = x1 + ububanzi . Ukuphakama kusebenza ngendlela efanayo, ngakho y2 = y1 + ubude .
Ubala kanjani i-y1 ukusuka ebangeni?
Usho kanjani ifomula yebanga?
Futhi Liyini ibanga phakathi kwamaphoyinti? Ibanga phakathi kwamaphuzu amabili lichazwa ngokuthi ubude bomugqa oqondile ohlanganisa la maphuzu endizeni yokuxhumanisa. Leli banga alisoze laba limbi, ngakho-ke sithatha inani eliphelele ngenkathi sithola ibanga phakathi kwamaphoyinti amabili owanikiwe.
Uyithola kanjani i-y1?
Linqunywa kanjani ibanga phakathi kwamaphoyinti amabili? Funda ukuthi ungalithola kanjani ibanga eliphakathi kwamaphoyinti amabili ngokusebenzisa ifomula yebanga, okuwukusetshenziswa kwethiyori yePythagorean. Singabhala kabusha ithiyori yePythagorean njenge d = √ ((x_2-x_1) ² + (y_2-y_1) ²) ukuthola ibanga phakathi kwamaphoyinti amabili.
Uyini u-y1 ngendlela ye-point-slope?
Uthini ukuthambekela komugqa odlula emaphoyinti (- 5'4 kanye no-3 2?
Umthambeka unjalo 4 .
Wenza kanjani 3x 4y 8? Izihloko
- 3x – 4y = 8. 3x−4y=8. Engeza ama-4 ezinhlangothini zombili. Engeza ama-4 ezinhlangothini zombili.
- 3x=8+4y. 3x=8+4y. Isibalo sisesimweni esijwayelekile. Isibalo sisesimweni esijwayelekile.
- 3x=4y+8. 3x=4y+8. Hlukanisa izinhlangothi zombili ngo-3. Hlukanisa izinhlangothi zombili ngo-3.
- frac{3x}{3}=frac{4y+8}{3} 33x=34y+8 Ukwehlukanisa ngo-3 kuhlehlisa ukuphindaphinda ngo-3.
Kuyini u-2x 3y efomini lokunqamula ukuthambeka? Isifinyezo: Ifomu lokunqamula ukuthambeka kwesibalo somugqa 2x + 3y = 6 linikezwa ngu y = (-2/3)x + 2.
Ithini i-gradient ye-Y 4x 8?
y = 4x – 8 unomthambeka we 4.
Ingabe kunendaba ukuthi iyiphi i-x1 ne-x2? Iphuzu elilodwa lithi (x1, y1) kanti elinye lithi (x2, y2). Akunandaba ukuthi iyiphi (x1, y1) kanye nokuthi (x2, y2).
Iyini i-x1 ne-x2 ngezibalo?
u-xi umele inani le-ith lokuhlukahluka kuka-X. Okwedatha, x1 = 21, x2 = 42, njalo njalo. … Ngemininingwane, Σxi = 21 + 42 +… + 52 = 290.
Ingakanani ibanga phakathi kwamaphoyinti amabili x1 y1 kanye no-x2 y2? Ibanga phakathi kwamaphoyinti amabili u-P(x1,y1) kanye no-Q(x2,y2) linikezwa ngu: d(P, Q) = √ (x2 − x1)2 + (y2 − y1)2 {Ifomula yebanga} 2. Ibanga lephoyinti P(x, y) ukusuka kumsuka linikezwa ngu-d(0,P) = √ x2 + y2. 3. Isibalo se-x-eksisi ngu-y = 0 4.
Ulithola kanjani ibanga phakathi kuka-x1 y1 kanye no-x2 y2?
Ifomula yebanga ithi √[(x2-x1)²+(y2-y1)²]. Ungacabanga ngakho njengesandiso sethiyori yePythagorean!
Ingakanani ibanga phakathi kwamaphoyinti f 3/4 kanye no-H 6 8? Ibanga phakathi kwamaphoyinti li .29 noma 5.385 ukufinyezwa kwenkulungwane eseduze.