Formule de calcul prescurtat - 2019 - 1

Formule de calcul prescurtat - 2019 - 1

7th - 8th Grade

10 Qs

quiz-placeholder

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Formule de calcul prescurtat - 2019 - 1

Formule de calcul prescurtat - 2019 - 1

Assessment

Quiz

Mathematics

7th - 8th Grade

Hard

Created by

Peter Pop

Used 114+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

(x+5)2=... .

x2+5x+25

x2+10x+25

x2+5x+10

x2+10x+10

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

(4-x)2=... .

16-8x+x2

16+8x+x2

16-x2

16-4x+x2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

(x+1)(1-x)=... .

x2-1

1-2x

1-x2

x2-2x+1

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

(6x+5y)2=... .

36x2+30xy+25y2

36x+60xy+25y

12x2+60xy+10y2

36x2+60xy+25y2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

(3a-b)2=... .

9a2-6ab+b2

9a2-6ab+2b

6a2-3ab+b2

9a2-3ab+b2

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

(2x+5y)(5y-2x)=... .

4x2-25y2

25y2-4x2

10y2-4x2

4x2+25y2

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

(1+x)2+(x+2)2+(3-x)2=... .

3x2+12x+14

3x2+6x+14

3x2+14

3x2+8x+14

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