Class 10 Ex 8.3
Class 10 is an important milestone in the academic journey of a student. It is the last year of secondary education and the last year of the board examinations. Class 10 Ex 8.3 is an important chapter in the CBSE syllabus. It is the chapter on ‘Quadratic Equations’.
Quadratic equations are a type of equation that involve the second degree of a variable. They are usually written in the form of ax2 + bx + c = 0, where a, b and c are constants and x is the variable. These equations can be solved using a variety of methods, such as factoring, completing the square, and using the quadratic formula.
The Class 10 Ex 8.3 chapter covers the basics of quadratic equations, such as the definition, the different types of equations, and the methods of solving them. It also covers the concept of roots of a quadratic equation, the discriminant, and the nature of the roots. The chapter also covers the application of quadratic equations in real-life situations.
The Class 10 Ex 8.3 chapter is an important part of the CBSE syllabus. It is important for students to understand the concepts of quadratic equations in order to be able to solve them. It is also important for students to understand the applications of quadratic equations in real-life situations.
In order to help students understand the concepts of quadratic equations, there are a number of resources available. These include textbooks, online tutorials, and practice questions. Students can also seek help from their teachers and tutors.
FAQs
Q1. What is a quadratic equation?
A1. A quadratic equation is an equation that involves the second degree of a variable. It is usually written in the form of ax2 + bx + c = 0, where a, b and c are constants and x is the variable.
Q2. What is covered in the Class 10 Ex 8.3 chapter?
A2. The Class 10 Ex 8.3 chapter covers the basics of quadratic equations, such as the definition, the different types of equations, and the methods of solving them. It also covers the concept of roots of a quadratic equation, the discriminant, and the nature of the roots. The chapter also covers the application of quadratic equations in real-life situations.
Q3. How can students learn about quadratic equations?
A3. There are a number of resources available to help students learn about quadratic equations. These include textbooks, online tutorials, and practice questions. Students can also seek help from their teachers and tutors.
Q4. What is the discriminant of a quadratic equation?
A4. The discriminant of a quadratic equation is a number that is calculated from the coefficients of the equation. It is used to determine the nature of the roots of the equation.
Q5. What is the quadratic formula?
A5. The quadratic formula is a formula used to solve quadratic equations. It is written as x = [-b ± √(b2 – 4ac)]/2a, where a, b and c are the coefficients of the equation.
Q6. What are the applications of quadratic equations?
A6. Quadratic equations have a wide range of applications in real-life situations. These include problems related to motion, area, volume, and profit and loss.
Q7. How can students practice solving quadratic equations?
A7. Students can practice solving quadratic equations by working through practice questions and examples. They can also use online resources such as tutorials and simulations to help them understand the concepts and practice solving equations.
Q8. What is the nature of the roots of a quadratic equation?
A8. The nature of the roots of a quadratic equation depends on the discriminant of the equation. If the discriminant is positive, the equation has two real and distinct roots. If the discriminant is zero, the equation has one real root. If the discriminant is negative, the equation has two complex roots.