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Subjects

Mathematics

Introduction to inequalities

Introduction to Inequalities is a Class 11 Mathematics topic within the chapter Linear Inequalities. It helps students understand how inequalities compare quantities using symbols such as <, >, ≤, and ≥, and how their solutions differ from those of equations. Students learn to represent solution sets on the number line, interpret interval-like ranges, and solve basic linear inequalities. The topic also explains why the inequality sign reverses when both sides are multiplied or divided by a negative number.

Hard · Level 4 · 12 questions

TOPIC PRACTICE

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Up to 12 questions from this page. Select your focus, then start.

12 questions

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  1. (2-5x\leq 17)
  2. (2-5x\geq 17)
  3. (2-5x<17)
  4. (2-5x=17) only
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  1. (3n<18)
  2. (3n\leq 18)
  3. (3n>18)
  4. (3n\geq 18)
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  1. True only for (x>2)
  2. True only for (x<2)
  3. True for all real (x)
  4. True for no real (x)
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  1. (x<1)
  2. (x\geq 1)
  3. (x>1)
  4. (x\leq -1)
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  1. (x\geq -11)
  2. (x\leq -11)
  3. (x\geq 11)
  4. (x\leq 11)
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  1. ( -13<3x-1\leq 5 )
  2. ( -13\leq 3x-1<5 )
  3. ( -12<3x-1\leq 6 )
  4. ( -13<3x-1<5 )
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  1. (5)
  2. (6)
  3. (7)
  4. (8)
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  1. (0<\frac{x}{-2}\leq 3)
  2. (0\leq\frac{x}{-2}<3)
  3. (3\leq\frac{x}{-2}<0)
  4. (0<\frac{x}{-2}<3)
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  1. (2x-5>1)
  2. (2x-5\geq 3)
  3. (x+2<6)
  4. (3x\leq 9)
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  1. (ab>0)
  2. (ab<0)
  3. (ab=0)
  4. (ab\geq 0)
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  1. All (x\in \mathbb{R}) are solutions
  2. Only (x=-1) is a solution
  3. There is no real solution
  4. Only (x>-1) is a solution
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  1. (12<t+5<20)
  2. (12\leq t+5<20)
  3. (12<t+5\leq 20)
  4. (t+5<12) or (t+5>20)

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