# Important Questions for CBSE Class 10 Maths Chapter 4 - Quadratic Equations 1 Mark Question

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CBSE Class 10 Maths Chapter-4 Quadratic Equations Important Questions

## 1 Mark Questions

1. Which of the following is quadratic equation?
(a)
(b)
(c)
(d)
Ans. (b)

2. Factor of is
(a)
(b)
(c)
(d)
Ans. (a)

3. Which of the following have real root
(a)
(b)
(c)
(d)
Ans. (c)

4. Solve for
(a)
(b)
(c)
(d)
Ans. (b)

5. Solve by factorization
(a)
(b)
(c)
(d)
Ans. (a)

6. The quadratic equation whose roots are 3 and -3 is
(a)
(b)
(c)
(d)
Ans. (a)

7. Discriminant of is
(a)
(b)
(c)
(d)
Ans. (a)

8. For equal root,  , value of k is
(a)
(b)
(c)
(d)
Ans. (a)

9. Quadratic equation whose roots are is
(a)
(b)
(c)
(d)
Ans. (a)

10. If and are roots of the equation then equal to
(a)
(b)
(c)
(d) 21
Ans. (b)