Polinomios Sumas y restas
- 1. Sean P(x)= 3x3–5x2+6 y Q(x)= –6x3+7x2–4. Calcula P(x)+Q(x)
A) 3x3+2x2+2
B) –3x3+2x2–2
C) –3x3+2x2+2
D) 3x3–2x2+2
- 2. Sean P(x)= 3x3–5x2+6 y Q(x)=–6x3+7x2–4. Calcula P(x)–Q(x)
A) –9x3+12x2-10
B) 9x3–12x2+10
C) –9x3+12x2+10
D) 9x3–12x2–10
- 3. Sean P(x)= x3–5x+6 y Q(x)=x3+7x–4. Calcula Q(x)+P(x)
A) 2x3+2x+2
B) 2x3–2x+2
C) 2x3+2x–2
D) 2x3+2x2+2
- 4. Sean P(x)= x3–5x+6 y Q(x)=x3+7x–4. Calcula Q(x)–P(x)
A) –12x–10
B) –12x+10
C) 2x3+12x–10
D) 2x3–12x+10
- 5. Sean P(x)= 8x2–12x+4 y Q(x)=–6x2+8x–12. Calcula P(x)+Q(x)
A) 2x2+4x–8
B) 2x2+20x–16
C) 14x2–20x+16
D) 2x2–4x–8
- 6. Sean P(x)= 8x2+12x+4 y Q(x)=–8x–12. Calcula P(x)–Q(x)
A) 8x2+4x–8
B) 8x2+20x–16
C) 8x2+20x+16
D) 8x2+4x+8
- 7. Sean P(x)= x2–x+4 y Q(x)=x2+x+12. Calcula Q(x)+P(x)
A) 2x2+2x+16
B) 2x4+16
C) 2x2+16
D) 2x2–2x+8
- 8. Sean P(x)= 6x3+8x2–12x+4 y ◙Q(x)=3x3–6x2+8x+12. Calcula Q(x)+P(x)
A) 9x3–2x2+4x–8
B) 9x3–2x2–4x–16
C) 9x3+2x2–4x+16
D) 9x3+2x2+4x–16
- 9. Sean P(x)=2x3–5x2+6 y Q(x)=–x3+4x2–2x. Calcula P(x)+Q(x)
A) x3+x2–2x+6
B) x3–x2+2x+6
C) x3+x2–2x+6
D) x3–x2–2x+6
- 10. Sean P(x)=2x3+5x2+6 y Q(x)=x3+4x2+2. Calcula P(x)+Q(x)
A) x3+9x+8
B) 3x3+9x2+8
C) x3+9x2+8
D) 3x3+9x2+8x
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