Tuesday, 14 April 2015

Polynomial class 10 test yourself


    Section-A
1. The zeroes of the quadratic polynomial x2 + 99x + 127 are

(A) both positive 
(B) both negative 
(C) one positive and one negative 
(D) both equal

2. The zeroes of the quadratic polynomial x+ k x + k, k ≠ 0,

(A) cannot both be positive 
(B) cannot both be negative 
(C) are always unequal 
(D) are always equal

3. If the zeroes of the quadratic polynomial ax2 + bx + c, c ≠ 0 are equal, then

(A) c and a have opposite signs 
(B) c and b have opposite signs 
(C) c and a have the same sign 
(D) c and b have  the same sign

4. If one of the zeroes of a quadratic polynomial of the form x2+ax + b is the negative of the other, then it

(A) has no linear term and the constant term is negative.
(B) has no linear term and the constant term is positive.
(C) can have a linear term but the constant term is negative.
(D) can have a linear term but the constant term is positive.

5. The number of polynomials having zeroes as –2 and 5 is

(A) 1            (B) 2 

(C) 3            (D) more than 3

Section-B

1. Find the zeroes of 2x3 – 11x2 + 17x – 6.

2. Find the quadratic polynomial, the sum and the product of whose zeroes are 1/2, and –2 .3. Find the values of m and n for which x = 2 and –3 are zeroes of the polynomial: 3x2 – 2mx + 2n.4. Check whether x2 + 4 is factor of x4 + 9x2 + 20
Section-C
5. Divide the polynomial (x4 + 1) by (x – 1) and verify the division algorithm.
6. Find all zeroes of x4 – 3x3 – 5x2 + 21x – 14, if two of its zeroes are √7 and – √7 7. On dividing x3 – 3x2 + x + 2 by a polynomial g(x), the quotient and remainder were x – 2 and –2x + 4 respectively, find g(x).

Section-D
8. Given that √2 is a zero of the cubic polynomial 6x3 + √2 x2 – 10x – 4 √2 , find  its other two zeroes.

9. Find k so that x+ 2x + k is a factor of 2x4 + x3 – 14 x2 + 5x + 6. Also find all the zeroes of the two polynomials.
10. Given that x – √5 is a factor of the cubic polynomial x3 – 3√ 5x2 + 13x – 3 √5 , find all the zeroes of the polynomial.


Saturday, 30 August 2014

DAV and DPS Question Papers for class 9 and 10 SA-1 September 2014 - 2015

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Class IX

9th English DAV SA-1 Question paper-1
9th English DPS SA-1 Question paper-2
9th Hindi DAV SA-1 Question paper-1
9th Hindi DPS SA-1 Question paper-2
9th Mathematics DAV SA-1 Question paper-1
9th Mathematics DPS SA-1 Question paper-2
9th Sanskrit DAV SA-1 Question paper
9th Science DAV SA-1 Question paper-1
9th Science DPS SA-1 Question paper-2
9th social science DAV SA-1 Question paper-1
9th social science DPS SA-1 Question paper-2
Class X     

10th English DAV SA-1 Question paper-1
10th English DPS SA-1 Question paper-2
10th Hindi DAV SA-1 Question paper-1
10th Hindi DPS SA-1 Question paper-2
10th Mathematics DAV SA-1 Question paper-1
10th Mathematics DPS SA-1 Question paper-2
10th Science DAV SA-1 Question paper-1
10th Science DPS SA-1 Question paper-2
10th Sanskrit DPS SA-1 Question paper-1
10th Sanskrit DPS SA-1 Question paper-2
10th Sanskrit DAV SA-1 Question paper-1
10th Sanskrit DPS SA-1 Question paper-2
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