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Tercera EvaluaciΓ³n
  • 1. (π‘Žβˆ’5)(π‘Ž+5)
A) a2+25
B) a2-10
C) a2-25
D) a2+10
  • 2. (1+π‘Ž)(1βˆ’π‘Ž)
A) a2-1
B) a2+1
C) 1-a2
D) 1+a2
  • 3. (7βˆ’3π‘₯)(7+3π‘₯)
A) 10-6x2
B) 49-9x2
C) 6x2-14
D) 14-6x
  • 4. (𝑀+3)2
A) 𝑀2+6𝑀+9
B) 𝑀2+3𝑀+6
C) 𝑀2+6𝑀-9
D) 𝑀2-6𝑀-9
  • 5. (π‘₯+6)2
A) π‘₯2-12π‘₯-36
B) π‘₯2+36
C) π‘₯2+2π‘₯+6
D) π‘₯2+12π‘₯+36
  • 6. (π‘₯+1)2
A) π‘₯2-2x+2
B) π‘₯2+2x+1
C) π‘₯2+1
D) π‘₯2-2x-2
  • 7. (𝑦+5)(𝑦+4)
A) 𝑦2-9𝑦-20
B) 𝑦2+20
C) 𝑦2+9𝑦+20
D) 𝑦2+20𝑦+9
  • 8. (π‘₯βˆ’9)(π‘₯+3)
A) π‘₯2+6π‘₯+18
B) π‘₯2-18
C) π‘₯2-6π‘₯-18
D) π‘₯2-18π‘₯-6
  • 9. (𝑛+3)(π‘›βˆ’7)
A) 𝑛2-21
B) 𝑛2-10𝑛+21
C) 𝑛2-4𝑛-21
D) 𝑛2+4𝑛+21
  • 10. (𝑦+2)3
A) 𝑦3+6y2+24𝑦+8
B) 𝑦3+8
C) 𝑦3-6y2-24𝑦-8
D) 𝑦3+6y2+4𝑦+8
  • 11. (π‘›βˆ’3)3
A) 𝑛3-9𝑛2-81𝑛
B) 𝑛3-27
C) 𝑛3+9𝑛2+81𝑛+27
D) 𝑛3-9𝑛2+81𝑛-27
  • 12. (4π‘¦βˆ’1)3
A) 64𝑦3-1
B) 64𝑦3-48𝑦2+4𝑦-1
C) 64𝑦3+4𝑦-1
D) 64𝑦3+48𝑦2-4𝑦+1
  • 13. (9x2 y5)/(3x3 y)
A) 3x4y
B) 3y4/x
C) 3x5y6
D) 3y4x
  • 14. (-12a3 b3+6a2 b2-15ab)/(-3ab)
A) 4a2 b2-2ab+5
B) 4a2 b4-2ab+5ab
C) 4a2 b2-2ab-5
D) 4a4 b4-2a3b3+5a2b2
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