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formule de calcul

Authored by lili botez

Mathematics

7th - 8th Grade

Used 22+ times

formule de calcul
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7 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

( x+3)2=

x2+9

x2+6x+9

x2-6x+9

x2+6x+3

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(x-5)2=

x2-10x+25

x2+25

x2+10x+25

x2-25

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(y-1)2=

y2+2y+1

y2-2y+1

y2+2y

y2-1

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

( a+2x)2=

x2+4ax+4a2

a2-4ax-4x2

a2+4ax+4x2

a2+2ax+2x2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(x+0,2)2=

x2+4

x2+0,4x+4

x2+0,4x+0,4

x2+0,2x+0,2

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(x-1/2)2=

x2+1/4

x2+0,4x+4

x2+1/4x+1/4

x2-x+0,25

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(5-n)2=

5-10n+n2

25+10n+n2

25-10n+n2

2,5-5n+n2

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