RECUPERO CLASSE 1

RECUPERO CLASSE 1

9th Grade

22 Qs

quiz-placeholder

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RECUPERO CLASSE 1

RECUPERO CLASSE 1

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Nadia Bianchi

Used 7+ times

FREE Resource

22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(a-b)2=
a2-ab+b2
a2-2ab+b2
a2+ab+b2
a2+2ab+b2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(3x-1)3=
27x3-27x2+9x-1
27x3+27x2-9x-1
-27x3+27x2-9x+1
-27x3-27x2+9x+1

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

(2x-3)⋅(3+2x)=

4x2-9

9-4x2

4x2+94x^2+9

4x2+96x4x^2+9-6x

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(2a-x+y)2
4a2+x2+y2
4a2+x2+y2-4ayx
4a2+x2+y2-4ax-2xy+4ay
4a2+x2+y2-2ax-xy+2ay

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Questo polinomio è un quadrato di binomio?

4x2 + 12 xy - 9y2

sì perché ci sono tre termini

no perché non ci sono tutti i termini

no perché i segni sono sbagliati

sì , i segni sono tutti giusti

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

3x2 - (2x + 1)(2x-1) + x2 - 1

4x2

1

-2

0

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (13a15b)2=\left(\frac{1}{3}a-\frac{1}{5}b\right)^2=  

 19a2+125b2215ab\frac{1}{9}a^2+\frac{1}{25}b^2-\frac{2}{15}ab  

 19a2+125b2115ab\frac{1}{9}a^2+\frac{1}{25}b^2-\frac{1}{15}ab  

 19a2+125b2+215ab\frac{1}{9}a^2+\frac{1}{25}b^2+\frac{2}{15}ab  

 19a2+125b2+115ab\frac{1}{9}a^2+\frac{1}{25}b^2+\frac{1}{15}ab  

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