Prerequisiti: Rette e Parabole

Prerequisiti: Rette e Parabole

2nd Grade

15 Qs

quiz-placeholder

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Prerequisiti: Rette e Parabole

Prerequisiti: Rette e Parabole

Assessment

Quiz

Mathematics

2nd Grade

Hard

Created by

Sara Sabatino

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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual è la forma esplicita dell’equazione di una retta?

y=ax^2+bx+c

ax+by+c=0

y=mx+q

y=a(x−h)^2+k

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La retta y=2x+3 è crescente.

Vero

Falso

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nell’equazione y=−3x+1, qual è il coefficiente angolare?

1

-3

3

0

4.

OPEN ENDED QUESTION

3 mins • 1 pt

Qual è l'intercetta sull'asse y della retta y=1/2x−4?

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OFF

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quale tra queste è una parabola con concavità rivolta verso l’alto?

y=−x^2+2x+1

y=x^2−4x+3

y=−2x^2

y=−x+2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La parabola y=ax^2+bx+c ha concavità verso l’alto se:

a<0

b>0

c>0

a>0

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La parabola y=3x^2 è simmetrica rispetto all’asse x.

Vero

Falso

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