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matematik

Authored by Nisanur Öcal

Mathematics, Fun

8th Grade

Used 24+ times

matematik
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Hangisi bir özdeşliktir?

a2+16 = (a4) (a+4)a^2+16\ =\ \left(a-4\right)\ \left(a+4\right)

2a2+4a+4 = (a+2)22a^2+4a+4\ =\ \left(a+2\right)^2

2a+8 =2(a+4)2a+8\ =2\left(a+4\right)

4a24a+16 = (a4)24a^2-4a+16\ =\ \left(a-4\right)^2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Aşağıdaki ifadelerden hangisi tamkare ifade değildir?


(x4)2\left(x-4\right)^2

(3x7)2\left(3x-7\right)^2

4x2+20x+254x^2+20x+25

9x21129x^2-11^2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt


 2013220122 = ?2013^2-2012^2\ =\ ?  

1

4025

4021

0

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt


 a.b =13 ve a2+b2 =51a.b\ =13\ ve\ a^2+b^2\ =51  olduğuna göre,  aba-b   kaçtır?

5

3

28

7

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (3x+5)2 = Ax2+Bx+C\left(3x+5\right)^2\ =\ Ax^2+Bx+C  eşitliği bir özdeşlik ise  A+B+CA+B+C  kaçtır?



61

62

63

64

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 24211213\frac{24^2-11^2}{13}  ifadesinin eşiti kaçtır?

33

35

37

39

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2x3y2 – 4x2y3 ifadesinin çarpanlarından biri aşağıdakilerden hangisidir?

2x – 2y

2x – y

x – 2y

2x + 4y

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