**2. Find a quadratic polynomial each with the given numbers as the sum and product of its**

**zeroes respectively.**

**(i)** **(ii)**

**(iii)** ** (iv)** 1, 1

**(v)** **(vi)** 4, 1

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by Jashan

**2. Find a quadratic polynomial each with the given numbers as the sum and product of its**

**zeroes respectively.**

**(i)** **(ii)**

**(iii)** ** (iv)** 1, 1

**(v)** **(vi)** 4, 1

by Jashan

by Jashan

How to find number of zeroes of different polynomials if graphs of polynomials are given to us.

**Number of zeroes for any polynomial is equal to number of times its graph meets the x-axis.**

by Jashan

**3.** The following real numbers have decimal expansions as given below. In each case, decide whether they are rational or not. If, they are rational, and of the form , what can you say about the prime factors of q?

(i) 43.123456789 (ii) 0.1201120012000120000.... (iii)

by Jashan

**2.** Write down the decimal expansions of those rational numbers in Question 1 which have terminating decimal expansions.