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Online MCQs Linear Equations and Inequalities from Mathematics Chapter 7 of 9th Class. There are 27 MCQ Questions from Linear Equations and Inequalities from Chapter 7 of 9th Class Mathematics. Let us start with MCQs Linear Equations and Inequalities.

Online MCQs about Mathematics 9th Class Chapter 7 Linear Equations and Inequalities with Answers

1. $|x|=0$ has only ——– solution.

 One

 No solution

 Two

 Three

2. Equations having exactly the same solution are called ———– equations.

 In equations

 Inconsistent

 Equivalent

 Linear

3. If the capacity $c$ of an elevator is at most 1600 pounds, then

 $c<1600$

 $c\le 1600$

 $c>1600$

 $c\ge 1600$

4. $x=x+5$ is ——— equation.

 Linear

 Conditional

 Inconsistent

 Identity

5. An ——– equation is an equation whose solution set is the empty set.

 Identity

 Conditional

 Inconsistent

 Quadratic

6. An inconsistent equation is that whose solution set is

 Not empty

 Positive

 Zero

 Empty

7. Transitive law is ———.

 $a>b$ and $b < c$, then $a=c$

 $a>b$ and $b < c$, then $a\ne c$

 $a>b$ and $b < c$, then $a>c$

 $a < b$ and $b < c$, then $a < c$

8. If $x$ is no larger than 10 then

 $x < 10$

 $x>10$

 $x\le 10$

 $x \ge 8$

9. $2x+1=9$ is ——— equation.

 Identity

 Linear

 Conditional

 Inconsistent

10. If $a>b$, $c>0$ then

 $ac\le bc$

 $ac>bc$

 $ac=bc$

 $ac

11. The equation $|x|=2$ is equivalent to:

 $x=2$ or $x=-2$

 $x=2$ or $x=\frac{-1}{2}$

 $x=-2$ or $x=-2$

 $x=2$ or $x=\frac{1}{2}$

12. Which of the following is the solution of the inequality $3-4x \le 11$?

 $x < -2$

 $x \ge -8$

 $x \ge \frac{-14}{4}$

 $x\ge -2$

13. A ———– equation is an equation that is satisfied by at least one number but is not an identity.

 Quadratic

 Conditional

 Identity

 Inconsistent

14. If $a, b \in R$ then $b\ne 0$

 $|ab|=\frac{|a|}{|b|}$

 $\left| \frac{a}{b} \right|=\frac{|a|}{|b|}$

 $|a+b|=|a| +|b|$

 $|a-b|=|a| -|b|$

15. A linear inequality in one variable $x$ is

 $ax^2+by^2+c<0$, $a\ne0$

 $ax+b>0$, $a\ne0$

 $ax^2+bx+c<0$, $a\ne0$

 $ax+by+c>0$, $a\ne 0$

16. If $a>b$, $c>0$ then

 $\frac{a}{c} > \frac{b}{c}$

 $\frac{a}{c} = \frac{b}{c}$

 $\frac{a}{c} \ne \frac{b}{c}$

 $\frac{a}{c} < \frac{b}{c}$

17. A statement involving any of the symbol <, >, $\le$ or $\ge$ is called

 Linear equation

 Identity

 Inequality

 Equation

18. $x+4=4+x$ is ———- equation.

 Conditional

 Linear

 Inconsistent

 Identity

19. When the variable in an equation occurs under a radical, the equation is called ——— equation.

 Absolute value

 Equation

 Radical

 Linear

20. The linear equation in one variable $x$ is

 $ax+b=0$

 $ax^2+bx+c=0$

 $ax^2+by^2+c=0$

 $ax+by+c=0$

21. If $a>b$, $c<0$, then

 $\frac{a}{c} = \frac{b}{c}$

 $\frac{a}{c} < \frac{b}{c}$

 $\frac{a}{c} \le \frac{b}{c}$

 $\frac{a}{c} > \frac{b}{c}$

22. $x=0$ is a solution of the inequality.

 $x>0$

 $x+2<0$

 $3x+5<0$

 $x-2<0$

23. $|x|=a$ is equivalent to

 $x=a$ or $x=\frac{-1}{a}$

 $x=\frac{1}{a}$ or $x=\frac{-1}{a}$

 $x\ne a$

 $x=a$ or $x=-a$

24. A solution that does not satisfy the original equation is called ———- solution.

 Root

 General

 Extraneous

 Proper

25. Law of Trichotomy is $\cdots (a, b, \in R)$

 $a \ne b$

 $a < b$ or $a=b$ or $a>b$

 $a < b$ or $a=b$

 $a < b$ or $a>b$

26. If $x=$ ——– is a solution of the inequality $-2 < x < \frac{3}{2}$.

 $0$

 $3$

 $-5$

 $\frac{5}{2}$

27. An ——– is equation that is satisfied by every number for which both sides are defined:

 Conditional

 Inequality

 Identity

 Inconsistent

 Loading …

Online MCQs Linear Equations and Inequalities with Answers

• Which of the following is the solution of the inequality $3-4x \le 11$?
• A statement involving any of the symbol <, >, $\le$ or $\ge$ is called
• If $x=$ ——– is a solution of the inequality $-2 < x < \frac{3}{2}$.
• If $x$ is no larger than 10 then
• If the capacity $c$ of an elevator is at most 1600 pounds, then
• $x=0$ is a solution of the inequality.
• The linear equation in one variable $x$ is
• An inconsistent equation is that whose solution set is
• $|x|=a$ is equivalent to
• A linear inequality in one variable $x$ is
• Law of Trichotomy is $\cdots (a, b, \in R)$
• Transitive law is ———.
• If $a>b$, $c>0$ then
• If $a>b$, $c>0$ then
• If $a>b$, $c<0$, then
• If $a, b \in R$ then $b\ne 0$
• When the variable in an equation occurs under a radical, the equation is called ——— equation.
• $|x|=0$ has only ——– solution.
• The equation $|x|=2$ is equivalent to:
• An ——– is an equation that is satisfied by every number for which both sides are defined:
• A ———– equation is an equation that is satisfied by at least one number but is not an identity.
• $x+4=4+x$ is ———- equation.
• $2x+1=9$ is ——— equation.
• $x=x+5$ is ——— equation.
• Equations having exactly the same solution are called ———– equations.
• A solution that does not satisfy the original equation is called ———- solution.
• An ——– equation is an equation whose solution set is the empty set.

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The post is about Online MCQs about Algebraic Manipulation from Chapter 6 of 9th Class Mathematics. There are 20 multiple-choice questions from Chapter 6 of 9th Class Mathematics. Let us start with MCQs Algebraic Manipulation with Answers.

MCQs Algebraic Manipulation 9th Class Quiz

Please go to MCQs Algebraic Manipulation 9th Class to view the test

• HCF of $p^3q – pq^3$ and $p^5q^2 -p^2q^5$ is
• HCF of $5x^2y^2$ and 20x^3y^3$ is
• HCF of $x-2$ and $x^2+x – 6$ is
• HCF of $a^3  +b^3$ and $x^2-ab+b^2$ is
• HCF of $x^2-5x+6$ and $x^2 – x – 6$ is
• HCF of a $a^2-b^2$ and $a^3-b^3$ is
• HCF of $x^2+3x+2$, $x^2+4x+3$, $x^2+5x+4$ is
• LCM of $15x^2$, $45xy$, and $30xyz$ is
• LCM of $a^2+b^2$ and $a^4-b^4$ is
• The product of two algebraic expressions equals the ____________ of their HCF and LCM.
• Simplify $\frac{a}{9a^2 – b^2} + \frac{1}{3a-b}$
• Simplify $\frac{a^2+5a-14}{a^2-3a-18} \times \frac{a+3}{a-2}=$
• Simplify $\frac{a^3 -b^3}{a^4-b^4} + \left(\frac{a^2+ab+b^2}{a^2+b^2}\right)=$
• Simplify $\left(\frac{2x+y}{x+y}-1\right) + \left(1-\frac{x}{x+y}\right)$
• The square root of $a^2-2a+1$ is
• What should be added to complete the square of $x64 + 64$?
• The square root of $x^4 + \frac{1}{x^4}+2$  is
• The square root of $4x^2 -12x +9$ is
• LCM =?
• HCF =?
• LCM $\times$ HCF =
• Any unknown expression may be found if _ of them are known by using the relation
• The HCF of $x^2-4$, $x^4+4x+4$, and $2x^2+x-6$ is
• $\frac{a+b}{a^2-b^2} \div \frac{a^2-ab}{a^2-2ab+b^2}$
• If $A=\frac{a+b}{a-b}$, them $\frac{1}{A}$ is
• How many methods are used to find the HCF of a given expression?
• How many methods are used to find the square root of a given expression?

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