I Tavi
I Tavi
I Tavi
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
davweroT (x 1 , y 1 ) da (x 2 , y 2 ) wertilebze gamavali wrfis gantoleba.<br />
– y1 = kx + b 1<br />
y = kx + b<br />
y = 1<br />
2 2 c a x1 + b ⇒ b = y1 – c a x1 aqedan<br />
___________<br />
c = ak y = c a x + y1 – c a x1 da<br />
k = c a<br />
saZiebeli wrfis gantoleba iqneba y = c a (x – x1 ) + y1 .<br />
vaCvenoT, rom am wrfeze mdebareobs nebismieri (x ; y ) wertilic.<br />
k k<br />
y = k c a (xk –x1 )+y1 , aqedan y1 + (k–1)c = c a (k – 1)a + y , miviReT 0 = 0.<br />
1<br />
e. i. aseTi Tvisebis mqone y=f(x) funqcia wrfivi funqciaa.<br />
ra geometriul figuras qmnis yvela im wertilis<br />
simravle, romelTa ordinata nebismieria, xolo<br />
abscisa a-s tolia? (pasuxi daasabuTeT).<br />
imedia, sworad mixvdiT, saZiebeli geometriuli figura<br />
aris y RerZis paraleluri wrfe, romelic x RerZs kveTs (a;0)<br />
wertilSi.<br />
aris Tu ara mocemuli wrfe raime funqciis grafiki?<br />
e .i . sakoordinato sibrtyeSi mocemuli nebismieri wrfe<br />
moicema y = kx+b an x = a gantolebiT .<br />
ukve advilad SevZlebT pasuxi gavceT paragrafis dasawyisSi<br />
mocemul amocanaSi dasmul SekiTxvebs.<br />
amoxsna:<br />
a-b) cxrilidan Cans, rom argumentis mniSvnelobebi izrdeba 2-iT,<br />
xolo Sesabamis funqciis mniSvnelobaTa nazrdi 8-is tolia, e.i.<br />
mudmivia. aseTi funqcia wrfivi funqciaa. wrfis gantolebis<br />
dasawerad y = kx + b gantolebaSi CavsvaT romelime ori wertilis,<br />
magaliTad, (0;60) da (2;68) wertilTa koordinatebi. miviRebT<br />
60 = 0·k + b<br />
, e.i. wrfis gantolebaa y = 4x + 60.<br />
68 = 2·k + b<br />
g) Tu x=7, maSin y=88,<br />
e.i. 7 wuTis Semdeg temperatura 88°C iqneba;<br />
d) y=4x+60 gantolebaSi y-is nacvlad CavsvaT 80.<br />
80=4x+60<br />
x=5.<br />
5 wuTSi.<br />
e) funqciis gansazRvris area [0;10] Sualedi.<br />
x 2 –x 1 – argumentis nazrdi;<br />
y 2 –y 1 – funqciis nazrdi.<br />
ΔABM=ΔBCN ⇒∠BAM=∠CBN<br />
C∈AB wrfes.<br />
x=a<br />
17