maTematika 7

eziume:3. grafikimoswavlem unda SeZlos or sidides Soris damokidebulebis dafiqsireba da amdamokidebulebis grafikuli gamosaxva, piriqiT agebuli grafikis mixedviT erTisididis ricxviTi mniSvnelobiT meoris povna. pirdapirproporciuli da ukurproporciulidamokidebulebis grafikebis ageba.amoxsnebi, miTiTebebi:2. a) 30 wlis fiWvi 15 m-ia.b) 10-dan 20 wlamde simaRle gaizarda 5 m-iT.g) 65 wlis.6. a) 8 km; b) 1 sT-Si; g) 16 km/sT; d) 1 sT 45 wT.27. uaryofiTi ricxvisaTvis TiToeuli Sesakrebi — 3x 6 ; 7x 2 ; -8x 3 dadebiTi ricxvebia.dadebiTi ricxvebis jami dadebiTia. gantolebas uaryofiTi fesvi ar eqneba.BB8. I SemTxveva:∠DBK=∠DBC+∠CBK=15°+50°=65°.II SemTxveva:∠DBK=∠DBC+∠CBK=15°+20°=35°.KAC DKADCreziume:4. paraleluri gadatanamoswavlem unda SeZlos toli figurebis ganmarteba, imis gansazRvra, sibrtyis mocemuligardaqmna aris Tu ara gadaadgileba. paraleluri gadatanis ganmarteba da imisgansazRvra, Tu rogor icvleba wertilis koordinatebi paraleluri gadatanis dros.(x;y)→(x+a; y+b) paraleluri gadatanis dros im wertilis povna, romelSic mocemuliwertili gadava.amoxsnebi, miTiTebebi:1. A figuris paraleluri gadataniT miiReba C figura.3. a) A 1(2;2) b) B 1(3;1)A 1B 174. B(2;2)→B 1(-5;7)A(2;3)→A 1(-5;8)3AB-5287masc_cigni_VII_kl_cor.indd 87 03.07.2012 15:46:54