Prodotti notevoli, identità, equazioni

Prodotti notevoli, identità, equazioni

8th Grade

21 Qs

quiz-placeholder

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Prodotti notevoli, identità, equazioni

Prodotti notevoli, identità, equazioni

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

Nicola Maggi

Used 11+ times

FREE Resource

21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Cosa sono i prodotti notevoli?

Espressioni tra monomi

Regole che agevolano i calcoli

Angoli noti

Nessuna delle risposte è vera

2.

MULTIPLE CHOICE QUESTION

2 mins • 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

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (2x3)  (3+2x)=(2x-3)\ ⋅\ (3+2x)=  

4x294x^2-9

94x29-4x^2

4x26x+94x^2-6x+9

nessuna risposta è giusta

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (4a+5b)(4a5b)=(4a+5b)(4a-5b)=  

 16a2+25b216a^2+25b^2  

 16a240ab+25b216a^2-40ab+25b^2  

 16a2+40ab+25b216a^2+40ab+25b^2  

 16a225b216a^2-25b^2  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Qual è il termine mancante necessario a completare il seguente quadrato di binomio?

4 - 4a2 + .......

a

2a

2

a2

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (x4)2=\left(x-4\right)^2=  

 x216x^2-16  

 x2+16x^2+16  

 x2168xx^2-16-8x  

 x2+168xx^2+16-8x  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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

 19a2215ab+125b2\frac{1}{9}a^2-\frac{2}{15}ab+\frac{1}{25}b^2  

 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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