Multiple Choice Questions
Q1: If x/y + y/x = -1 and (xy, ≠ 0), the value of x3 – y3 is
(a) 1
(b) -1
(c) 0
(d) 2
Q2: If p + q + r = 0 ,then the value of
(a) 1
(b) 3
(c) -1
(d) 0
Q3: The product of (x + a) (x + b) is
(a) x2 + (a + b)x + ab
(b) x2 – (a – b)x + ab
(c) x2 + (a – b)x + ab
(d) x2 + (a – b)x + ab
Q4: The value of (x + 2y + 2z)2 + (x – 2y – 2z)2 is
(a) 2x2 + 8y2 + 8z2
(b) 2x2 + 8y2 + 8z2 + 8xyz
(c) 2x2 +8y2 + 8z2 – 8yz
(d) 2x2 + 8y2 + 8z2 + 16yz
Q5: The value of f(x) = 5x−4x2+3 when x = -1, is:
(a) 3
(b) -12
(c) -6
(d) 6
True or False
Q1: P(x) = x – 1 and g(x) =x2 – 2x + 1 . p(x) is a factor of g(x)
Q2: The factor of 3x2 – x – 4 are (x + 1)(3x – 4)
Q3: Every linear polynomial has only one zero
Q4: Every real number is the zero’s of zero polynomial
Q5: A binomial may have degree 4
Q6: 0, 2 are the zeroes of x2– 2x
Q7: The degree of zero polynomial is not defined
Answer the following Questions
Q1: Is 3x1/2 – 4x + 15 a polynomial of one variable?
Q2: Is ∛x – √2x a polynomial.
Q3: What will be the degree of polynomials 30x5 – 15x2 + 40.
Q4: Is (y2)1/2 + 2√3 a polynomial of one variable?
Q5: What will be the coefficient of x3 in 9x3 – 5x + 20.
Q6: Show that x = 1 is a root of the polynomial 3x3 – 4x2 + 8x – 7.