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Ministerul Educaţiei, Cercetării şi Inovării 
Centrul Naţional pentru Curriculum şi Evaluare în Învăţământul Preuniversitar 
Soluţii 
1. 1 
2. 
2 
2 
+ + = 
+ + 
2 8 7 7 
x x 
x x 
5 6 6 
; 
∈− 13 
 x 
  
,0 
5 
  
3. 
1 
x = ± + kπ k ∈] ; 
2 arccos 2 , 
2 
x 
∈π π π π    
5 7 11 
, , , 
6 6 6 6 
  
4. 6 
T7 = C12 â‹… a ; a = 4 
5. 
2 2 
, 
3 3 md = md′ = ;M(1,1)∈d,M′ = sA(M)⇒M′(−7,7) ; ( ) 2 
y − 7 = x + 7 
; d′ : 2x − 3y + 35 = 0 
3 
6. 
4 
3 
BACALAUREAT 2009-MATEMATICÄ‚ - Proba D, MT1, programa M1

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  • 1. Ministerul EducaÅ£iei, Cercetării ÅŸi Inovării Centrul NaÅ£ional pentru Curriculum ÅŸi Evaluare în ÃŽnvăţământul Preuniversitar SoluÅ£ii 1. 1 2. 2 2 + + = + + 2 8 7 7 x x x x 5 6 6 ; ∈− 13  x   ,0 5   3. 1 x = ± + kÏ€ k ∈] ; 2 arccos 2 , 2 x ∈π Ï€ Ï€ Ï€    5 7 11 , , , 6 6 6 6   4. 6 T7 = C12 â‹… a ; a = 4 5. 2 2 , 3 3 md = md′ = ;M(1,1)∈d,M′ = sA(M)⇒M′(−7,7) ; ( ) 2 y − 7 = x + 7 ; d′ : 2x − 3y + 35 = 0 3 6. 4 3 BACALAUREAT 2009-MATEMATICÄ‚ - Proba D, MT1, programa M1