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Example 7 - Chapter 4 Class 10 Quadratic Equations
Last updated at April 16, 2024 by Teachoo
Chapter 4 Class 10 Quadratic Equations
Concept wise
- Checking quadratic equation
- Making quadratic equation
- Solving by Splitting the middle term - Equation given
- Solving by Splitting the middle term - Statement given
- Solving by completing square
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Nature of roots
- Solving by quadratic formula - Equation given
- Solving by quadratic formula - Equation to be formed
Transcript
Example 7 Find the discriminant of the quadratic equation 2x2 – 4x + 3 = 0, and hence find the nature of its roots. 2x2 – 4x + 3 = 0 Comparing equation with ax2 + bx + c = 0 a = 2, b = –4, c = 3 We know that D = b2 – 4ac D = (–4)2 – 4×(2)×(3) D = 16 – 24 D = –8 Since D <𝟎 So, the given equation has no real roots . Since D <𝟎 So, the given equation has no real roots .
