Numeri complessi prova

Numeri complessi prova

10th - 12th Grade

11 Qs

quiz-placeholder

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Numeri complessi prova

Numeri complessi prova

Assessment

Quiz

Mathematics

10th - 12th Grade

Hard

Created by

Gabriella Casola

Used 5+ times

FREE Resource

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Le coordinate cartesiane di un punto sono (2;23) .Quali sono le sue coordinate polari ?

( 4 ; π/6 )

( 30 ; π/45)

( 16 ; π/6 )

(30 ; 4π/45)

(4; π/3)

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Quale tra le opzioni e' il complesso coniugato di


(2i + 7) (4 - 9i ) + i4 - 5i + 12

- 60i + 59

-60i - 59

60i + 59

60i - 59

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Semplifica questa divisione

(5+4i) : (5-6i)

(1+50i)/61

(-21+33i)/34

(-10+6i)/17

(-23+36i)/25

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 z1= z2z_1=-\overline{\ z}_2  

Per quali valori di p e q 

 z1=2p  q +1 +(q2)iz_1=2p\ -\ q\ +1\ +\left(q-2\right)i  

 z2= p+3q 2 +2piz_2=\ p+3q\ -2\ +2pi  

p = 5/7        q = 24/7

p = - 3/7              q = 9 /7

p = - 3/7       q = 8/7

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 z1+z2=0z_1+z_2=0  
 z1= 2p  q +1+(q2)iz_1=\ 2p\ -\ q\ +1+\left(q-2\right)i  
 z2= p +3q 2 +2piz_2=\ p\ +3q\ -2\ +2pi  

p = 3           q = - 4   

p = - 3/7              q = 9 /7

p = -3/7         q = 8/7

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 2x + 1 +xi  i    modulo = 32x\ +\ 1\ +xi\ -\ i\ \ \ \ modulo\ =\ 3  

Per quali valori di x il numero complesso dato ha il modulo indicato ?

1 ; -7/5

3 ; 7

5 ; 9/4

- 1 ; 7/5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 i148i^{148}  

quanto vale

1

i

-i

-1

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