Equazioni di grado superiore al secondo

Equazioni di grado superiore al secondo

10th Grade

14 Qs

quiz-placeholder

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Equazioni di grado superiore al secondo

Equazioni di grado superiore al secondo

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

Created by

Silvia Formaggia

Used 43+ times

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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Quale delle seguenti è un'equazione binomia?

2x3+x=02x^3+x=0

4x=x44x=x^4

3x4=03x^4=0

23x487=0\frac{2}{3}x^4-\frac{8}{7}=0

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Quali delle seguenti equazioni è impossibile?

3x6=3-3x^6=-3

8x3+1=08x^3+1=0

25x10+5=025x^{10}+5=0

x7+1=0x^7+1=0

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Quale delle seguenti equazioni è trinomia?

x12x65=0x^{12}-x^6-5=0

x12+5x42=0x^{12}+5x^4-2=0

3x9x61=03x^9-x^6-1=0

3x12x62x=03x^{12}-x^6-2x=0

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

L'equazione  x2007+1=0x^{2007}+1=0  

non ha soluzioni reali

ha esattamente 2007 soluzioni reali

ha una sola soluzione reale

ha esattamente 2008 soluzioni reali

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

L'equazione  25x44x2=025x^4-4x^2=0  ha soluzioni

 0 ; ±250\ ;\ \pm\frac{2}{5}  

 0 ; ±520\ ;\ \pm\frac{5}{2}  

 0 ; 250\ ;\ \frac{2}{5}  

 2; ±25\sqrt{2};\ \pm\frac{2}{5}  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

L'equazione  4x45x2+1=04x^4-5x^2+1=0  ha soluzioni

non ha soluzioni reali

 1, 141,\ \frac{1}{4}  

 ±1 ; ±14\pm1\ ;\ \pm\frac{1}{4}  

 ±1 ; ±12\pm1\ ;\ \pm\frac{1}{2}  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

L'equazione  x8+1=0-x^8+1=0  ha soluzioni

 ±1\pm1  

non ha soluzioni reali

1

 ±18\pm\frac{1}{8}  

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