Ni mathimatiki, ite naa ṣe apejuwe bi laini titọ ga ti ga. Nigba miiran a maa n pe ni gradient. Awọn idogba fun Ite. Ite naa jẹ asọye bi “iyipada ni y” lori “iyipada ni x” ti laini kan. Ti o ba yan awọn aaye meji lori laini - (x1,y1) ati (x2,y2) - o le ṣe iṣiro ite naa nipa pipin y2 – y1 lori x2 – x1.
Ninu eyi, Ṣe y-intercept y1 tabi y2? Ti a ba mọ awọn ipoidojuko ti awọn aaye meji - (x1, y1) ati (x2, y2) - lẹgbẹẹ laini kan, a le ṣe iṣiro ite rẹ ati awọn oniwe- y-idilọwọ lati ọdọ wọn. Ite, m, jẹ iyipada ninu y (y, tabi y2 – y1), ti a pin nipasẹ iyipada ni x (x, tabi x2 – x1).
Kini x2 ati x1?
Ni afikun Bawo ni o ṣe le sọ fun x1 lati x2?
Ṣe o ṣe pataki aaye wo ni x1 ati x2? Ojuami kan ni (x1, y1) ati aaye miiran jẹ (x2, y2). Ko ṣe pataki eyiti o jẹ (x1, y1) ati eyiti o jẹ (x2, y2).
Kini ite ti 2x 3y = - 15?
Pipin awọn abajade odi meji ni iye to dara. Tunto 5 5 ati 2× 3 2 x 3 . Atunkọ ni slope-intercept fọọmu. Lilo awọn ite-intercept fọọmu, awọn ite ni 23 .
Bawo ni o ṣe rii y2? O le sọ pe x2 = x1 + iwọn. Giga ṣiṣẹ ni ọna kanna, bẹ y2 = y1 + iga .
Bawo ni o ṣe ṣe iṣiro y1 lati ijinna?
Bawo ni o ṣe sọ agbekalẹ ijinna?
Bakannaa Kini aaye laarin awọn aaye? Aaye laarin awọn aaye meji jẹ asọye bi ipari ti laini taara ti o so awọn aaye wọnyi ni ọkọ ofurufu ipoidojuko. Ijinna yii ko le jẹ odi, nitorinaa a gba iye pipe lakoko wiwa aaye laarin awọn aaye meji ti a fun.
Bawo ni o ṣe rii y1?
Bawo ni a ṣe pinnu aaye laarin awọn aaye meji? Kọ ẹkọ bi o ṣe le wa aaye laarin awọn aaye meji nipa lilo agbekalẹ ijinna, eyiti o jẹ ohun elo ti ilana ilana Pythagorean. A le tun Pythagorean Theorem bi d = √ ((x_2-x_1) ²+(y_2-y_1) ²) lati wa aaye laarin awọn aaye meji eyikeyi.
Kini y1 ni fọọmu ibi-ipo?
Kini ite ti ila ti o kọja nipasẹ awọn aaye (- 5'4 ati 3 2?
Awọn ite ni 4 .
Bawo ni o ṣe ṣe 3x 4y 8? ero
- 3x – 4y = 8. 3x−4y=8. Fi 4y si ẹgbẹ mejeeji. Fi 4y si ẹgbẹ mejeeji.
- 3x=8+4y. 3x=8+4y. Idogba wa ni fọọmu boṣewa. Idogba wa ni fọọmu boṣewa.
- 3x=4y+8. 3x=4y+8. Pin ẹgbẹ mejeeji si 3. Pin awọn ẹgbẹ mejeeji si 3.
- frac{3x}{3}=frac{4y+8}{3} 33x=34y+8 Pipin pelu 3 mu isodipupo pada pelu 3.
Kini 2x 3y ni fọọmu intercept-ite? Àkópọ̀: Fọ́ọ̀mù dídí-slope-intercept ti idogba laini 2x + 3y = 6 ni a fi funni nipasẹ y = (-2/3) x + 2.
Kini iwọn didun Y 4x 8?
y = 4x – 8 ni ite kan ti 4.
Ṣe o ṣe pataki eyiti o jẹ x1 ati x2? Ojuami kan jẹ (x1, y1) ati aaye miiran jẹ (x2, y2). Ko ṣe pataki eyiti o jẹ (x1, y1) ati eyiti o jẹ (x2, y2).
Kini x1 ati x2 ninu awọn iṣiro?
xi ṣe aṣoju iye ith ti oniyipada X. Fun data naa, x1 = 21, x2 = 42, ati bẹbẹ lọ. … Fun data naa, Σxi = 21 + 42 +… + 52 = 290.
Kini aaye laarin awọn aaye meji x1 y1 ati x2 y2? Ijinna laarin awọn aaye meji P(x1,y1) ati Q(x2,y2) ni a fun nipasẹ: d (P, Q) = √ (x2 - x1) 2 + (y2 - y1)2 {Formula Ijinna} 2. Ijinna aaye kan P(x, y) lati ipilẹṣẹ jẹ fifun nipasẹ d(0,P) = √ x2 + y2. 3. Idogba ti ipo-x jẹ y = 0 4.
Bawo ni o ṣe rii aaye laarin x1 y1 ati x2 y2?
Ilana ijinna jẹ √[(x2-x1)²+(y2-y1)²]. O le ronu rẹ bi itẹsiwaju ti ilana Pythagorean!
Kini aaye laarin awọn aaye f 3/4 ati H 6 8? Awọn aaye laarin awọn ojuami ni .29 tabi 5.385 yika si ẹgbẹẹgbẹrun ti o sunmọ.