Formule de calcul prescurtat

Formule de calcul prescurtat

8th Grade

10 Qs

quiz-placeholder

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Formule de calcul prescurtat

Formule de calcul prescurtat

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Medium

Created by

Ana Godovaniuc

Used 101+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(x+3)2

x2+9

X2-9

x2+6x+9

x2-6x+9

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(5+x)2

25+x2

25+10x+x2

5-10x+x2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(d+3)2

d2+9

9+6d+d2

d2+6d+9

d2-6d-9

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(5x-3y)2

5x2-6x+9y

25x-10xy+9y

25x2-30xy+9y2

25x2-9y2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(x-5y)2

x2-25y2

x2+25y2

x2-10xy+25y2

x2+10xy+25y2

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

(3x+2)(3x-2)

9x2-4

9x2+4

9x2+12x+4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(3-2a2)2

9-4a2

9+4a4

9-12a2+4a4

9+12a2+4a4

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