9th Class Mathematics Chapter 5 Test05. Linear Equations and Inequalities

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. Which one is the standard form of linear equation?
   1. $ax^2 + b = 0$
   2. ax + b = -c
   3. ax + b > 0
   4. ax + b = 0
2. The symbol “>” means:
   1. Less than
   2. Greater than
   3. Equal to
   4. Not equal to only
3. Solve: 2 < x < 6
   1. x < 2 or x > 6
   2. 2 < x < 6
   3. x ≤ 2
   4. x ≥ 6
4. Which one is the solution of $2(x + 6) \leq 3 (x + 4)$?
   1. $x \leq 0$
   2. $x \geq 0$
   3. $x \leq 24$
   4. $x \geq 24$
5. Which one is a strict inequality?
   1. $x + 3 \neq 0$
   2. 12x > 5
   3. $2y - 3 \leq 0$
   4. $4x + 5 \geq 0$
6. Solve: 3 − x ≥ 0
   1. x ≥ 3
   2. x ≤ 3
   3. x > 3
   4. x < −3
7. Which property is used when the same number is added to both sides of an equation?
   1. Addition property
   2. Multiplication property
   3. Division property
   4. Transitive property
8. The equation: ∣x∣=k,k>0
   1. No solution
   2. One solution
   3. Two solutions
   4. Infinite solutions
9. Two equations having the same solution are called:
   1. Radical equations
   2. Equivalent equations
   3. Inequalities
   4. Quadratic equations
10. Solve: √(2x) = 6
    1. 12
    2. 16
    3. 18
    4. 36