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.
4 SeadgineT kvadratuli gantoleba, Tu misi fesvebis saSualo<br />
ariTmetikuli A-s, xolo saSualo geometriuli G-s tolia:<br />
a) A=4, G=2; b) A=16, G=12; g) A=100, G=100.<br />
5 amoxseniT kvadratuli gantoleba vietis Teoremis gamoyenebiT:<br />
a) x 2 +5x+6=0; b) x 2 –10x+16=0; g) t 2 +4t–21=0;<br />
d) x 2 –3x+2=0; e) x 2 –2x–3=0; v) y 2 –9y+14=0.<br />
6 ipoveT ricxvTa yvela wyvili, romelTa a) jamia 8, xolo namravli<br />
15; b) jamia 7, namravli ki — 10.<br />
7 ipoveT p ricxvi, Tu gantolebis erT-erTi amonaxseni mocemuli<br />
ricxvia:<br />
a) x 2 –3x+p=0, x 1 =2; b) x 2 +px+4=0, x 1 =–2;<br />
g) 2x 2 +px–1=0, x 1 =1; d) x 2 –px+15=0, x 1 =3.<br />
8 gantolebis amouxsnelad daadgineT misi amonaxsnebis niSnebi:<br />
a) 3x 2 –2x–1=0; b) 2x 2 +5x+1=0; g) x 2 –4x+3=0;<br />
d) y 2 –7x–11=0; e) 0,5y 2 –12y+4=0; v) 5m 2 +8m+1=0.<br />
9 gansazRvreT 5x 2 –4x–7=0 gantolebis fesvebis niSnebi. daadgineT,<br />
romeli fesvis modulia meti.<br />
10* m-is ra mniSvnelobebisTvis eqneba gantolebas sxvadasxva<br />
niSniani fesvebi? gansazRvreT im fesvis niSani, romlis modulic<br />
metia:<br />
a) x 2 –7x+m=0; b) x 2 +3x+m=0.<br />
11* x2 –15x+26=0 gantolebis amouxsnelad ipoveT 1<br />
+<br />
x1 1<br />
, sadac x<br />
x 1<br />
2<br />
da x mocemuli gantolebis fesvebia.<br />
2<br />
12* SeadgineT kvadratuli gantoleba, romlis fesvebi 3-jer metia<br />
15x 2 –7x–3=0 gantolebis fesvebze (gantolebis amouxsnelad).<br />
13* q-s ra mniSvnelobisaTvis iqneba x 2 –6x+q=0 gantolebis fesvebis<br />
sxvaoba 2-is toli.<br />
14 p-s ra mniSvnelobisaTvis iqneba x 2 +2px–12=0 gantolebis fesvebis<br />
Sefardeba –3-is toli.<br />
15 daamtkiceT, rom ax 2 +bx+c=0 gantolebis fesvi, roca c≠0 ar<br />
SeiZleba iyos ricxvi 0.<br />
16* daamtkiceT, rom ax 2 +bx+a=0 gantolebis fesvebi (Tuki arseboben)<br />
urTierTSebrunebuli ricxvebia.<br />
41