
2.4 equation
Quiz
•
Mathematics
•
11th Grade
•
Medium
Kwanjai Ngajua
Used 13+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
คำตอบของระบบสมการ 4x + 5y = 22 และ
9y - 2x = 12 คือข้อใด
(x , y) = (3 , 2)
(x , y) = (-3 , 2)
(x , y) = (3 , -2)
(x , y) = (-3 , -2)
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
คำตอบของระบบสมการ 3x - 7y – 16 = 0 และ 5y - x + 8 = 0 คือข้อใด
(x , y) = (3 , 1)
(x , y) = (-3 , 1)
(x , y) = (3 , -1)
(x , y) = (-3 , -1)
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
คำตอบของระบบสมการ 2x + 5y = 11 และ
3x - 4y + 18 = 0 คือข้อใด
(x , y) = (2 , 3)
(x , y) = (-2 , 3)
(x , y) = (2 , -3)
(x , y) = (-2 , -3)
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
คำตอบของระบบสมการ 3x + 5y = 14 และ
7y = 2x + 1 คือข้อใด
(x , y) = (3 , 1)
(x , y) = (-3 , 1)
(x , y) = (3 , -1)
(x , y) = (-3 , -1)
5.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
จากระบบสมการ x - y = -4 และ
2x + 3y = 22 ผลบวกของคำตอบคือข้อใด
2
4
6
8
6.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
จากระบบสมการ x + 3y = 8 และ
x – 2y = 3 ผลบวกของคำตอบคือข้อใด
6
-4
4
-6
7.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
จากระบบสมการ 4y – 2x = 10 และ
3x – 2y = -11 จงหา x2 – 4y
-9
-5
5
13
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