CBSE Class 10-Mathematics: Chapter –2 Polynomials Part 3

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Question 12:

If are zeros of , then the value of is

(a)

(b)

(c)

(d)

Answer:

(b)

Question 13:

The sum and product of the zeros of a quadratic polynomial are and respectively. The quadratic polynomial is

(a)

(b)

(c)

(d)

Answer:

(b)

2 Mark Questions

Question 1:

Find the quadratic polynomial where sum and product of the zeros are and

Answer:

Polynomial

Question 2:

If are the zeros of the quadratic polynomial find the value of

Answer:

If are the zeroes

So,

Question 3:

If the square of the difference of the zeros of the quadratic polynomial is equal to , find the value of .

Answer:

Question 4:

Divide by

Answer:

Question 5:

Find the value of such that the quadratic polynomial has sum of the zeros is half of their product.

Answer:

Sum of the zeros Product of the zeros