CBSE Class 10 Mathematics Chapter 4 Quadratic Equations Multiple Choice Questions with Answers. MCQ Questions Class 10 Mathematics Quadratic Equations with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Mathematics Quadratic Equations MCQs with Answers to know their preparation level.
Multiple Choice Questions - Set - 5
The quadratic equation whose one rational root is 3 + √2 is
(a) x2 – 7x + 5 = 0
(b) x2 + 7x + 6 = 0
(c) x2 – 7x + 6 = 0
(d) x2 – 6x + 7 = 0
Correct Answer – (D)
Question 2 :
The roots of the equation (b – c) x2 + (c – a) x + (a – b) = 0 are equal, then
(a) 2a = b + c
(b) 2c = a + b
(c) b = a + c
(d) 2b = a + c
Correct Answer – (D)
Question 3 :
The equation 2x2 + kx + 3 = 0 has two equal roots, then the value of k is
(a) ±√6
(b) ± 4
(c) ±3√2
(d) ±2√6
Correct Answer – (D)
Question 4 :
The equation x2 – px + q = 0 p, q e R has no real roots if :
(a) p2 > 4q
(b) p2 < 4q
(c) p2 = 4q
(d) None of these
Correct Answer – (B)
Question 6 :
If (x – a) is one of the factors of the polynomial ax2 + bx + c, then one of the roots of ax2 + bx + c = 0 is
(a) 1
(b) c
(c) a
(d) none of these
Correct Answer – (C)
Question 7 :
The sum of the roots of the quadratic equation 3x2 – 9x + 5 = 0 is
(a) 3
(b) 6
(c) -3
(d) 2
Correct Answer – (C)
Question 8 :
The polynomial equation x (x + 1) + 8 = (x + 2) (x – 2) is
(a) linear equation
(b) quadratic equation
(c) cubic equation
-quadratic equation
Correct Answer – (A)
Question 9 :
If a, p are the roots of the equation (x – a) (x – b) + c = 0, then the roots of the equation (x – a) (x – P) = c are
(a) a, b
(b) a, c
(c) b, c
(d) none of these
Correct Answer – (A)
Question 10 :
If the roots of px2 + qx + 2 = 0 are reciprocal of each other, then
(a) P = 0
(b) p = -2
(c) p = ±2
(d) p = 2
