Topic Details (Notes format)

How to Solve Systems of Inequalities

Subject: Mathematics

Book: Maths Mastery

Systems of inequalities involve multiple constraints that define a region of acceptable solutions on a coordinate plane. Consider x + y ≤ 5 and x – y ≥ –1. Graph these lines (x + y = 5 and x – y = –1), then shade the areas that satisfy each inequality. The solution set is where shaded regions overlap. Systems of inequalities appear in linear optimization, resource management, and real-world planning problems like deciding feasible production levels within time and budget constraints. Mastering this visualization and computation process enables you to handle a broad range of practical optimization tasks.

Practice Questions

If sin(θ) = 0.6 and θ is acute, what is cos(θ)?

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What is the sum of all even numbers between 1 and 100?

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What is the LCM of 15 and 20?

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What is the square root of 121?

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The probability of getting an even number when rolling a die is:

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What is the probability of drawing a king from a standard deck of 52 playing cards?

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What is the area of a circle with a diameter of 14 cm?

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If x - y = 5 and x + y = 15, what is the value of x?

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If 2a + b = 10 and a - b = 4, what is the value of a?

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If the cost price of an item is Rs. 400 and the selling price is Rs. 500, what is the profit percentage?

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