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greitosios daugybos formules

Authored by Jurate Cern

Mathematics

8th Grade

Used 53+ times

greitosios daugybos formules
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18 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(x-5)2

x2-5x+5

x2-10x+25

x2-5x+25

x2-10x+5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(x+2)2

x2+2x+2

x2+4x+2

x2+4x+4

x2-4x+2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(2x+1)2

2x2+4x+1

4x2+4x+1

4x2-4x+1

2x2+2x+1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

( 4x-1)2

16x - 8x+1

16x2-8x+1

8x2-4x+1

16x2-4x+1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(0.5a + b)2

0.10a2+1ab+b2

0.25a + 1ab +b2

0.25a2+0.5ab +b2

0.25a2+1ab + b2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

( x+7)2= x2 + ... + 49

7x

14x

49x

9x

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

( 5 - a)2= ... - 10a + a2

5

10

25

7

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