9_Ecuatii_Inecuatii
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Transcript of 9_Ecuatii_Inecuatii
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7/24/2019 9_Ecuatii_Inecuatii
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LT Mihai Eminescu, or. Hnceti
Lucrare de evaluare: Ecuaii. Inecuaii.
Clasa a XII a, profil real
Numele, prenumele: ___________________________________________
Punctaj acumulat/Nota: _____________/ _______________
Nr. Item Scor
1. S se rezolve ecuaia:log(7 6) = 2
Rezolvare:
Rspuns:________________
L0
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6
2. S se rezolve ecuaia:
3 8+15 27 log2(5 ) = 0Rezolvare:
Rspuns:___________________
L
0
1
2
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6
7
3. S se rezolve inecuaia:
log13
2 + 42 3 < 1
Rezolvare:
Rspuns:___________________
L
0
1
2
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4. S se afle toate soluiile ecuaiei 4 3 2+1 + 8 = 0, care aparin domeniului maxim dedefiniie al funciei () = 5 9.Rezolvare:
Rspuns:___________________
L
0
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5. S se rezolve n ecuaia:3 = 1
3
2
Rezolvare:
Rspuns:__________________
L
0
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6. S se determine valorile reale ale lui
,
3; 2
tiind c: cos2
+
2sin
= 1 .
Rezolvare:
Rspuns:___________________
L
01
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7. S se rezolve n inecuaia:2 8
2 4 + 3 0Rezolvare:
Rspuns:____________________
L
0
1
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5
8. S se rezolve n inecuaia: || log15(2 3)
Rezolvare:
Rspuns:______________________
L0
1
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Anex
+ = 1
= 1
( ) = cos2 = 1 2sin2
|| = , 0, < 0