สมการกำลังสอง
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
กัญญาพัชร ฉิมปาน
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. คำตอบของสมการ (3x - 7)(x + 3) = 0 มีค่าเท่าไร
-7/3 , 3
7/3 , -3
7/3 , 3
-7/3 , -3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.คำตอบของสมการ x2-9x+18=0 คือข้อใด
6,3
-9,2
9,2
-6,-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.คำตอบของสมการ 2x2-5x=0 คือข้อใด
0 และ 5/2
0 และ -5/2
0 และ 3
2,-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.คำตอบของสมการ X2-6x+9 =0 คือข้อใด
-6
4.5
3
6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.ข้อใดเป็นสมการกำลังสองตัวแปรเดียว
5x - 3
t2 = -3
3x - 2x - 1
x2 - 8x = 2 + x2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. จากสมการ 2m2 - 7 =m ข้อใดถูกต้อง
ค่า a = 1
ค่า b = -1
ค่า c = 7
ค่า b = 1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.ตัวประกอบของ x2 +9x+20 ตรงกับข้อใด
(y+2)(y+4)
(x+5)(x+4)
(x+10)(x+2)
(x+8)(x+4)
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