Chapter 2 Quadratic Equations Set 2.6

Chapter 2 Quadratic Equations Set 2.6 Chapter 2 Quadratic Equations Set 2.6 Question 1.Product of Pragati’s age 2 years ago and years hence is 84. Find her present age.Solution: Let…

Chapter 2 Quadratic Equations Set 2.5

Chapter 2 Quadratic Equations Set 2.5 Chapter 2 Quadratic Equations Set 2.5 Question 1.Fill in the gaps and complete.Answer: Question 2.Find the value of discriminant.i. x2 + 7x – 1 =…

Chapter 2 Quadratic Equations Set 2.4

Chapter 2 Quadratic Equations Set 2.4 Chapter 2 Quadratic Equations Set 2.4 Question 1.Compare the given quadratic equations to the general form and write values of a, b, c.i. x2 –…

Chapter 2 Quadratic Equations Set 2.3

Chapter 2 Quadratic Equations Set 2.3 Chapter 2 Quadratic Equations Set 2.3 Question 1.Solve the following quadratic equations by completing the square method.1. x2 + x – 20 = 02. x2 +…

Chapter 2 Quadratic Equations Set 2.2

Chapter 2 Quadratic Equations Set 2.2 Chapter 2 Quadratic Equations Set 2.2 Question 1.Solve the following quadratic equations by factorisation.i. x2 – 15x + 54 = 0ii. x2 + x – 20…

Chapter 2 Quadratic Equations Set 2.1

Chapter 2 Quadratic Equations Set 2.1 Chapter 2 Quadratic Equations Set 2.1 Question 1.Write any two quadratic equations.Solution: i. y2 – 7y + 12 = 0 ii. x2 – 8 = 0…

Chapter 1 Linear Equations in Two Variables Set 1.4

Chapter 1 Linear Equations in Two Variables Set 1.4 Chapter 1 Linear Equations in Two Variables Set 1.4 Question 1.Solve the following simultaneous equations.Solution: i. The given simultaneous equations are…