295.' T e n g y o n LI uchburchak y o n tom onlarining tcnglamalari
Download 77.64 Kb. Pdf ko'rish
|
19-mavzu. Amaliy uzb
$ x - 2 y - $ = Q,
2x + 5 y -2 = 0 t o 'g 'r i c h iziq la r b ila n kesishish natijasida yu zi 29 ga teng uchburchak hosil q ilu v c h i t o 'g 'r i c h iziq tcnglam asini tuzing. 313.' x - 2 y = 0 t o ’g ’ri c h iziq q a parallel va 3 x - 2 y - 1 = 0, 4jc- 5>>+1 = 0 t o 'g 'r i c h iz iq la r bilan birgalikda y u z i ~ ga teng b o ’ lgan uchburchak h o s il q ilu v c h i t o 'g 'r i ch iziqlar tenglam alari tuzilsin. 314. ¿(3,5), 5 (-l,-2 ) nuqtalar berilgan. A B C uchburchakning y u zi 1 ga ten g b o 'la d ig a n 7i-6>- + 1=0 t o ’ g 'r i ch iziq d a g i C nuqtani toping. 315. ¿(3,0), B ( - 1,-2), C(-3,l) va 0(7,2) nuqtalar berilgan. 5 x -2 y -9 5 = 0 t o 'g 'r i c h iziq d a , M A B va M C D uchburchaklar tengdosh (yuzlari teng) b o 'la d ig a n M nuqtani to p in g . 316.’ U ch b u rch a k n in g ( — 2,3) uchi, bu u chiga qarama — qarshi to m o n in in g burchak k oeflitsien ti * = - “ va uchburchakning yu zi 5 ga teng. Q o lg a n ik k i uchi * + 4 y - 9 = 0, x+4>>-2l = 0 t o 'g ’ri ch iziqlarda y o tis h in i b ilg a n holda ularning koordinatalari topilsin. 317.’ U c h b u rc h a k m edianalarining tenglamalari 4x + y - 6 = 0, 2x + y - 2 = 0, jc-2 = 0 v a un in g yu zi 5 = 3 berilgan. U c h b u rc h a k n in g uchlari topilsin. 318.' T e n g y o n li uchburchakning ( — 7,2), (3,0) uchlaridagi burchaklari teng v a y u z i 26 g a teng. U ch b u rch a k tom onlarining tenglam alarini tu zin g. 319.” T e n g y o n li uchburchakning (3,5) uchi, asosining tenglamasi: x-2.y + l2 = 0 berilgan. U n in g y u z i 15 ga teng. Tom onlarining ten glam alari tuzilsin. www.ziyouz.com kutubxonasi 320.' T e n g y o n li uchburchakning te n g tom onlariga tushirilgan balan dliklarin in g tenglamalari: 7*4 y - 0 , x - y * 0, lin in g y u z i esa 80 g a teng. U chbu rch akn in g uchlarini to p in g . 321.U ch b u rch ak n in g uchlari (0,7), ( — 2,3), uchinchi uchi x - 7 * 0 to 'g 'r i c h iziq d a yotadi, yu zi 3 g a ten g. T om on larin in g tenglam alarini tuzing. 3 2 2 .Y an gi aifin koordinatalar sistem asin in g ordinata o 'q i sifatida x ~ y + 2 = 0 t o 'g 'r i chiziq, abssissa o 'q i siiatida 2x + y - 4 = 0 t o 'g 'r i c h iziq , y a n g i b irlik nuqta deb (3,7) nuqta q ab u l qilinsa, affin koordinatalar sistem asining almashtirish form ula]arini tu zing. 323.Y a n g i affin koordinatalar sistem asining o 'q la ri sifatida 2 x - y + 7 - 0 (o 'o ')- x + y - 4 = 0 (o ', * ') t o 'g 'r i chiziqlarni, y a n g i b irlik nuqta sifatida esa eski koordinatalar sistem asining boshi qabu l qilinsa, * - y + 6 = 0 t o 'g 'r i ch iziq n in g y a n g i koordinatalar sistemasidagi tenglam asi qanday yoziladi? 324.’ P(-3,-5) nuqtadan o ’ tgan va 2x + 3y - 15 = 0, 4x - Sy -12 = 0 to ’ g ’ ri chiziqlar orasidagi kesmasi P nuqtada teng ikkiga b o ’ linadigan to’ g ’ ri chiziq tenglamasini tuzing. Koordinatalar sistemasi affin. 325.' U ch bu rch ak m edian alarin in g k es is h g a n nuqtasi (0,2) va ik k i to m o n in in g tenglam alari: 5 x -4 y + 15 = 0, 4x + y - 9 = 0 b erilgan . U ch b u rch ak uchlarining k o o rd in a ta la rin i va uchinchi to m o n in in g ten gla m a sin i top in g. K o ord in ata sistem asi affin. 326.’ U ch b u rch ak ikki to m o n in in g Download 77.64 Kb. Do'stlaringiz bilan baham: |
Ma'lumotlar bazasi mualliflik huquqi bilan himoyalangan ©fayllar.org 2024
ma'muriyatiga murojaat qiling
ma'muriyatiga murojaat qiling