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DIRECTION : In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : The values of x are a for a quadratic equation 2x^{2} +ax a^{2} =0 .
Reason : For quadratic equation ax^{2} + bx+ c = 0
DIRECTION : In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : The value of k = 2 , if one root of the quadratic equation 6x^{2} x k = 0 is ⅔
Reason : The quadratic equation ax^{2} + bx + c = 0, a ≠ 0 a has two roots.
DIRECTION : In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : If roots of the equation x^{2}  bx + c = 0 are two consecutive integers, then b^{2}  4c =1
Reason : If a, b, c are odd integer then the roots of the equation 4abc x^{2} + (b^{2 } 4ac)x  b = 0 are real and distinct.
DIRECTION : In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : A quadratic equation ax^{2} + bx + c = 0 , has two distinct real roots, if b2  4ac >0 .
Reason : A quadratic equation can never be solved by using method of completing the squares.
DIRECTION : In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : 4x^{2} 12x+9 =0 has repeated roots.
Reason : The quadratic equation ax^{2} + bx + c = 0 have repeated roots if discriminant D > 0 .
DIRECTION : In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : (2x  l)^{2}  4x^{2} + 5 = 0 is not a quadratic equation.
Reason : x = 0, 3 are the roots of the equation 2x^{2} 60x = 0.
DIRECTION : In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : The equation 8x^{2} + 23kx+0 = has equal roots then the value of k is
Reason : The equation ax^{2} + bx+ c = 0 has equal roots if D =b^{2}  4ac =0
DIRECTION : In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : The roots of the quadratic equation x^{2} + 2x+2 = 0 are imaginary.
Reason : If discriminant D =b^{2}  4ac <0 then the roots of quadratic equation ax^{2} + bx+ c = 0 are imaginary.
DIRECTION : In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : The equation 9x^{2} + 34kx + 4 = 0 has equal roots for k = + 4 .
Reason : If discriminant ‘D’ of a quadratic equation is equal to zero then the roots of equation are real and equal.
DIRECTION : In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : Sum and product of roots of 2x2 35x+0 = are and respectively.
Reason : If a and b are the roots of ax^{2} + bx + c = 0 , a ≠ 0 , then sum of roots = α +β = and product of roots
615 tests

615 tests
