1. Which of the following is not a quadratic equation
(a) x² + 3x – 5 = 0
(b) x² + x3 + 2 = 0
(c) 3 + x + x² = 0
(d) x² – 9 = 0
2. The quadratic equation has degree
(a) 0
(b) 1
(c) 2
(d) 3
3. The cubic equation has degree
(a) 1
(b) 2
(c) 3
(d) 4
4. A bi-quadratic equation has degree
(a) 1
(b) 2
(c) 3
(d) 4
5. The polynomial equation x (x + 1) + 8 = (x + 2) {x – 2) is
(a) linear equation
(b) quadratic equation
(c) cubic equation
(d) bi-quadratic equation
6. The equation (x – 2)² + 1 = 2x – 3 is a
(a) linear equation
(b) quadratic equation
(c) cubic equation
(d) bi-quadratic equation
7. The roots of the quadratic equation 6x² – x – 2 = 0 are
(a) 2/3 , 1/2
(b) -2/3 , 1/ 2
(c) 2/3 , -1/2
(d) -2/3 , -1/2
8. The quadratic equation whose roots are 1 and
(a) 2x² + x – 1 = 0
(b) 2x² – x – 1 = 0
(c) 2x² + x + 1 = 0
(d) 2x² – x + 1 = 0
9. 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
10. 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
b , c , c, d , a , b, c, b, d , d
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