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İkinci dereceden denklemler başlangıç

Authored by Atilen Gılman

Mathematics

9th Grade

Used 1+ times

İkinci dereceden denklemler başlangıç
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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

22+23=?

8

10

12

14

2.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

x2+2x=0 ise x1.x2=?x^2+2x=0\ ise\ x1.x2=?

(a)  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2x2+4x−5=02x^2+4x-5=0     denkleminin çözüm kümesi nedir?

 (diskriminant yöntemiyle kök bul)

 (−4+24)4\frac{\left(-4+\sqrt{24}\right)}{4}  , (−4−24)4\frac{\left(-4-\sqrt{24}\right)}{4}  

 (4+24)2\frac{\left(4+\sqrt{24}\right)}{2}  , (4−24)2\frac{\left(4-\sqrt{24}\right)}{2}  

 (−4+56)4\frac{\left(-4+\sqrt{56}\right)}{4}  , (−4−56)4\frac{\left(-4-\sqrt{56}\right)}{4}  

 (−4−56)2\frac{\left(-4-\sqrt{56}\right)}{2}  , (−4+56)2\frac{\left(-4+\sqrt{56}\right)}{2}  

 (4+24)4\frac{\left(4+\sqrt{24}\right)}{4}  , (4−24)4\frac{\left(4-\sqrt{24}\right)}{4}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

2x2−2x+42x^2-2x+4 denkleminin kökler çarpımı nedir?

2

3

1

0

-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2x2−mx+3m−1=02x^2-mx+3m-1=0  denkleminin köklerinden biri  22  ise  mm  kaçtır?

 88  

 77  

 −2-2  

 −7-7  

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

x+1x=5 ise x2+1x2 kac\ctır?x+\frac{1}{x}=5\ ise\ x^2+\frac{1}{x^2}\ kaçtır?

23

19

16

12

17

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