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Ministerul Educaţiei, Cercetării şi Inovării 
Centrul Naţional pentru Curriculum şi Evaluare în Învăţământul Preuniversitar 
Soluţii 
1. x∈{1± i 3} 
2. 
1 
Δ = 1, min 
f = − 
4 
3. 
1 
arccos 
= π ; arcsin 
2 4 
x 
= π ; 
4 
2 
2 
x = 
4. 0 7 1 6 2 5 3 4 
C7 = C7 =1, C7 = C7 = 7, C7 = C7 = 21, C7 = C7 = 35 ; doar 7 este prim, deci 2 cazuri favorabile; 
a 
⇔ = ⇒ ∈ − 
JJJG JJJG JJJG 
BACALAUREAT 2009-MATEMATICĂ - Proba D, MT1, programa M1 
1 
4 
p = 
5. u G 
şi v G 
3 
coliniari { 6;2 
} 4 4 
a 
a 
+ 
6. AB(7,−7); AC(4,−2);BC(−3,5); 
−14

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D mt1 i_018

  • 1. Ministerul Educaţiei, Cercetării şi Inovării Centrul Naţional pentru Curriculum şi Evaluare în Învăţământul Preuniversitar Soluţii 1. x∈{1± i 3} 2. 1 Δ = 1, min f = − 4 3. 1 arccos = π ; arcsin 2 4 x = π ; 4 2 2 x = 4. 0 7 1 6 2 5 3 4 C7 = C7 =1, C7 = C7 = 7, C7 = C7 = 21, C7 = C7 = 35 ; doar 7 este prim, deci 2 cazuri favorabile; a ⇔ = ⇒ ∈ − JJJG JJJG JJJG BACALAUREAT 2009-MATEMATICĂ - Proba D, MT1, programa M1 1 4 p = 5. u G şi v G 3 coliniari { 6;2 } 4 4 a a + 6. AB(7,−7); AC(4,−2);BC(−3,5); −14