อสมการกำลังสองและอสมการค่าสัมบูรณ์2023

อสมการกำลังสองและอสมการค่าสัมบูรณ์2023

9th - 12th Grade

20 Qs

quiz-placeholder

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อสมการกำลังสองและอสมการค่าสัมบูรณ์2023

อสมการกำลังสองและอสมการค่าสัมบูรณ์2023

Assessment

Quiz

Mathematics

9th - 12th Grade

Hard

Created by

Teerawat Boon

Used 6+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

ข้อใดคือคำตอบของอสมการ

(x-3)(x+4) > 0

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

ข้อใดคือคำตอบของอสมการ

(x-8)(x+9) < 0

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

ข้อใดคือคำตอบของอสมการ (x5)(x+4)0(x-5)(x+4)\ge0  



 [5,4]\left[-5,4\right]  

 [4,5]\left[-4,5\right]  

 (,5][4,)\left(-\infty,-5\right]\cup\left[4,\infty\right)  

 (,4][5,)\left(-\infty,-4\right]\cup\left[5,\infty\right)  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

ข้อใดคือคำตอบของอสมการ (x3)(x+6)0\left(x-3\right)\left(x+6\right)\le0  



 [3,6]\left[-3,6\right]  

 [6,3]\left[-6,3\right]  

 (,3][6,)\left(-\infty,-3\right]\cup\left[6,\infty\right)  

 (,6][3,)\left(-\infty,-6\right]\cup\left[3,\infty\right)  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (3x)(x8)>0\left(3-x\right)\left(x-8\right)>0  

ข้อใดคือคำตอบของอสมการ

 (3,8)\left(3,8\right)  

 [3,8]\left[3,8\right]  

 (,3)(8,)\left(-\infty,3\right)\cup\left(8,\infty\right)  

 (,3][8,)\left(-\infty,3\right]\cup\left[8,\infty\right)  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (2x1)(13x)0\left(2x-1\right)\left(1-3x\right)\le0  

ข้อใดคือคำตอบของอสมการ

 [12,13]\left[\frac{1}{2},\frac{1}{3}\right]  

 [13,12]\left[\frac{1}{3},\frac{1}{2}\right]  

 (,13][12,)\left(-\infty,\frac{1}{3}\right]\cup\left[\frac{1}{2},\infty\right)  

 (,12][13,)\left(-\infty,\frac{1}{2}\right]\cup\left[\frac{1}{3},\infty\right)  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

ข้อใดคือคำตอบของอสมการ
 x26x160x^2-6x-16\le0 

 [2,8]\left[-2,8\right]  

 [8,2]\left[-8,2\right]  

 (,8][2,)\left(-\infty,-8\right]\cup\left[2,\infty\right)  

 (,2][8,)\left(-\infty,-2\right]\cup\left[8,\infty\right)  

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