Ma ka makemakika, e wehewehe ana ka slope i ka pali o ka laina pololei. I kekahi manawa, kapa ʻia ʻo ia ka gradient. Nā hoohalike no ka Slope. Ua wehewehe ʻia ka slope ma ke ʻano he "hoʻololi i ka y" ma luna o ka "hoʻololi i x" o kahi laina. Inā koho ʻoe i ʻelua mau kiko ma kahi laina — (x1,y1) a me (x2,y2) — hiki iā ʻoe ke helu i ka pali ma ka puʻunaue ʻana iā y2 – y1 ma luna o x2 – x1.
Eia, ʻo y-intercept y1 a i ʻole y2? Inā ʻike mākou i nā koina o nā kiko ʻelua – (x1, y1) a me (x2, y2) – ma kahi laina, hiki iā mākou ke helu i kona pali a me kona. y-keakea mai ia lakou. ʻO ka pali, m, ʻo ia ka hoʻololi ʻana i ka y ( y, a i ʻole y2 – y1), i puʻunaue ʻia me ka hoʻololi ʻana i x (x, a i ʻole x2 – x1).
He aha ka x2 a me ka x1?
Eia hou Pehea ʻoe e ʻike ai i ka x1 mai ka x2?
He mea koʻikoʻi ka helu o x1 a me x2? ʻO kahi helu (x1, y1) a ʻo ka helu ʻē aʻe (x2, y2). ʻAʻole pili ʻo ia (x1, y1) a ʻo wai (x2, y2).
He aha ka pali o 2x 3y =- 15?
ʻO ka hoʻokaʻawale ʻana i ʻelua mau waiwai maikaʻi ʻole e hopena i kahi waiwai maikaʻi. Hoʻonohonoho hou i ka 5 5 a me 2×3 2 x 3 . E kākau hou ma ke ʻano he slope-intercept. Ke hoʻohana nei i ke ʻano slope-intercept, ʻo ka slope 23 .
Pehea ʻoe e ʻike ai iā y2? Hiki iā ʻoe ke ʻōlelo ʻo x2 = x1 + laula. Hana like ke kiʻekiʻe, no laila y2 = y1 + kiʻekiʻe .
Pehea ʻoe e helu ai i ka y1 mai kahi mamao aku?
Pehea ʻoe e ʻōlelo ai i ke ʻano mamao?
He aha ka mamao ma waena o nā kiko? Ua wehewehe ʻia ka mamao ma waena o nā kiko ʻelua ka lōʻihi o ka laina pololei e hoʻopili ana i kēia mau kiko i ka mokulele hoʻohui. ʻAʻole hiki ke maikaʻi ʻole kēia mamao, no laila mākou e lawe nei i ka waiwai piha ʻoiai ke ʻike nei i ka mamao ma waena o ʻelua mau helu i hāʻawi ʻia.
Pehea ʻoe e ʻike ai iā y1?
Pehea ka mamao ma waena o nā kiko ʻelua? E aʻo pehea e ʻimi ai i ka mamao ma waena o nā kiko ʻelua me ka hoʻohana ʻana i ka ʻōlelo hoʻohālikelike mamao, ʻo ia ka hoʻohana ʻana i ka theorem Pythagorean. Hiki iā mākou ke kākau hou i ka Pythagorean theorem e like me d = √ ((x_2-x_1) ² + (y_2-y_1) ²) e ʻike i ka mamao ma waena o nā kiko ʻelua.
He aha ka y1 ma ke ʻano kiko-piʻi?
He aha ka pali o kahi laina e hele ana ma na kiko (- 5'4 a me 3 2?
ʻO ka pali ka 4 .
Pehea ʻoe e hana ai i ka 3x 4y 8? kumuhana apau loa
- 3x – 4y = 8. 3x−4y=8. E hoʻohui i 4y i nā ʻaoʻao ʻelua. E hoʻohui i 4y i nā ʻaoʻao ʻelua.
- 3x=8+4y. 3x=8+4y. Aia ka hoohalike ma ke ano ma'amau. Aia ka hoohalike ma ke ano ma'amau.
- 3x=4y+8. 3x=4y+8. E puunaue i na aoao elua me 3. E puunaue i na aoao elua me 3.
- frac{3x}{3}=frac{4y+8}{3} 33x=34y+8 Hoʻopau ka puʻunaue me 3 i ka hoʻonui ʻana me 3.
He aha ka 2x 3y ma ke ʻano slope-intercept? Hōʻuluʻulu manaʻo: Hāʻawi ʻia ke ʻano slope-intercept o ka hoohalike laina 2x + 3y = 6 e y = (-2/3)x + 2.
He aha ka laulima o Y 4x 8?
y = 4x – 8 he pali o 4.
He mea nui anei ka x1 a me ka x2? ʻO kekahi kiko (x1, y1) a ʻo kekahi kiko (x2, y2). ʻAʻole pili ʻo ia ka mea (x1, y1) a ʻo ia ka (x2, y2).
He aha ka x1 a me ka x2 ma ka helu?
Hōʻike ka xi i ka waiwai ith o ka hoʻololi X. No ka ʻikepili, x1 = 21, x2 = 42, a pela aku. … No ka ʻikepili, Σxi = 21 + 42 +… + 52 = 290.
He aha ka mamao ma waena o nā kiko ʻelua x1 y1 a me x2 y2? Hāʻawi ʻia ka mamao ma waena o ʻelua mau kiko P(x1,y1) a me Q(x2,y2) e: d (P, Q) = √ (x2 - x1) 2 + (y2 - y1) 2 {Hoʻohālikelike ka mamao} 2. Hāʻawi ʻia ka mamao o kahi kiko P (x, y) mai ke kumu e d (0, P) = √ x2 + y2. 3. ʻO ke kaulike o ka axis x ka y = 0 4.
Pehea ʻoe e ʻike ai i ka mamao ma waena o x1 y1 a me x2 y2?
ʻO ke kumu mamao √[(x2-x1)²+(y2-y1)²]. Hiki iā ʻoe ke noʻonoʻo iā ia ma ke ʻano he hoʻonui o ka theorem Pythagorean!
He aha ka mamao ma waena o nā kiko f 3/4 a me H 6 8? ʻO ka mamao ma waena o nā kiko √29 a i ʻole 5.385 i hoʻopuni ʻia i ke kaukani kokoke loa.