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Worksheets

polynomials grade 10

Total questions: 15

Worksheet time: 2hrs 55mins

Name
Class
Date
1.

Graph of a quadratic polynomial is a

a)

straight line

b)

circle

c)

parabola

d)

ellipse

2.

If 1 is a zero of the polynomial p(x) = ax2 – 3(a – 1) x – 1, then find the value of a.

a)

1

b)

0

c)

2

d)

3

3.

If α and β are zeroes of the quadratic polynomial x2 – 6x + a; find the value of ‘a’ if 3α + 2β = 20.

a)

8

b)

-2

c)

-16

d)

16

4.

Using division algorithm, find the quotient on dividing f(x) by g(x), where f(x) = 6x3 + 13x2 + x – 2 and g(x) = 2x + 1

a)

3x2+5x-2

b)

3x2-5x+2

c)

3x2+5x+2

d)

none of the above

5.

Find all the zeroes of  x4−3x3+6x−4x^4-3x^3+6x-4  , if two of its zeroes are 
 2 and−2\sqrt{2}\ and-\sqrt{2}  

a)

-1,-2

b)

1,2

c)

1,-1

d)

2,-2

6.

If one zero of the polynomial (a2 + 9) x2 + 13x + 6a is reciprocal of the other, find the value of ‘a’.

a)

3

b)

-3

c)

2

d)

0

7.

What is the number of zeroes of the polynomial y = p(x)?

a)

3

b)

2

c)

1

d)

0

8.

If the zeroes of the quadratic polynomial x2 + bx + c , c ≠ 0are 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

9.

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

a)

1

b)

2

c)

3

d)

more than 3

10.

The degree of the polynomial (x + 1)(x2 – x – x4 +1) is:

a)

2

b)

3

c)

4

d)

5

11.

If the zeroes of the quadratic polynomial x2 + (a + 1)x + b are 2 and –3, then

a)

a = –7, b = –1

b)

a = 5, b = –1

c)

a = 2, b = – 6

d)

a = 0, b = – 6

12.

Given that one of the zeroes of the cubic polynomial ax3 + bx2 + cx + d is zero, the product of the other two zeroes is

a)

-c/a

b)

c/a

c)

0

d)

3

13.

If one of the zeroes of the quadratic polynomial (k – 1)x2 + kx + 1 is –3, then the value of k is

a)

4/3

b)

-4/3

c)

2/3

d)

-2/3

14.

If sum of the squares of zeroes of the quadratic polynomial 6x2 + x + k is 25/36, the value of k is:

a)

4

b)

-4

c)

2

d)

-2

15.

If (x + 1) is a factor of x2− 3ax +3a − 7, then the value of a is:

a)

1

b)

-1

c)

0

d)

-2