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สมการกำลังสอง

Authored by Hatthaya Inanan

Mathematics

9th Grade

Used 96+ times

สมการกำลังสอง
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

จงแก้สมการ x2+5x+6=0x^2+5x+6=0  

1,6

-1,-6

2,3

-2,-3

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

จงแก้สมการ a211a+18=0a^2-11a+18=0  

3,6

2,9

-3,-6

-2,-9

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

จงแก้สมการ 4z2400=04z^2-400=0  

0,20

-20,20

10,-10

0,-10

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

จงแก้สมการ 3m2=18m3m^2=18m  

0,6

6,-6

3;-6

-3,-6

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

จงแก้สมการ y2y30=0y^2-y-30=0  

10,3

-15,2

6,-5

-6,5

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

จงแก้สมการ x2+5x36=0x^2+5x-36=0  

-9,4

12,-3

9,-4

-9,-4

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

จงแก้สมการ m(2m5)=0m\left(2m-5\right)=0  

0, 52-\frac{5}{2}  

0, 52\frac{5}{2}  

0 25-\frac{2}{5}  

0, 25\frac{2}{5}  

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