
Frazioni algebriche
Authored by Ebe Tricarico
Mathematics
2nd Grade
Used 98+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Cosa si intende per frazione algebrica?
È una frazione che ha al numeratore o al denominatore delle lettere
È una frazione del tipo A/B dove A e B sono polinomi
È una frazione del tipo A/B dove A e B sono polinomi con B ≠0
È una frazione del tipo A/B dove A e B sono polinomi con A ≠0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Answer explanation
PAG 420 del libro di testo.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0
2
Answer explanation
Una frazione algebrica perde di significato quando il suo denominatore si annulla.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Answer explanation
Bisogna scomporre il denominatore: trova due numeri che hanno come prodotto 6 e come somma 5.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Answer explanation
Ricorda che 2x-2y=-2(y-x) infatti calcolando il prodotto al secondo membro ottieni -2y+2x che è esattamente uguale a 2x-2y (proprietà commutativa della SOMMA ALGEBRICA).
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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