

frazioni algebriche
Presentation
•
Mathematics
•
9th - 10th Grade
•
Hard

Raimondo Rapisarda
Used 81+ times
FREE Resource
1 Slide • 15 Questions
1
frazioni algebriche

2
Multiple Choice
La frazione algebrica a2(a +b )a2−b2 può essere semplificata in:
a+b−b2
a2a −b
a−b
a2a+b
3
Multiple Choice
Il prodotto x2−14x+492x+4y⋅2x−7 è uguale a:
x−7x+2y
x−7x−2
2(x−7)(x+2)
22x+4y
4
Multiple Choice
La frazione a−3a+3 perde di significato per a=
0
3
nessun valore di a
-3
5
Multiple Choice
La frazione a +3a−3 si semplifica in:
1
−1
non si può semplificare
0
6
Multiple Choice
Il m.c.m. dei denominatori delle seguenti frazioni a−b3a a 2b è:
a
a−b
a2−b
a (a−b)
7
Multiple Choice
La semplificazione della frazione algebrica 3a26a−3a2b con a=0 è:
6a−b
3a2a−3b
32−ab
a2−ab
8
Multiple Choice
Le seguenti frazioni algebriche hanno tutte lo stesso valore tranne una. Quale?
x −22x −4
2−x 4−2x
2 −x2x −4
−2−x2x−4
9
Multiple Choice
Quale delle seguenti frazioni algebriche è riducibile?
a2+b2a2−b2
a+ba2+b2
a+bab
a+ba2−b2
10
Multiple Choice
Quale delle seguenti frazioni è riducibile (semplificabile)?
a2+b2a+b
a+ba2−b2
a−ba2+b2
a2 a2+b2
11
Multiple Choice
La frazione aa2−3a si semplifica in:
a−3a
a2−3
a−3
−2
12
Multiple Choice
2b
b
y+5b
b2
13
Multiple Choice
nell'immagine 12 rappresenta:
il numeratore
l'addendo
il denominatore
il fattore
14
Multiple Choice
(1−xxy2)(2xy1−x)=
2x1−x
2y
2xy
1
15
Multiple Choice
Eseguendo le operazioni x+21⋅x−21:x2−41 ottengo?
x +2x−2
1
x2−41
x −2x+2
16
Multiple Choice
ba:ba2=
b2a3
a
a3b2
a1
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