Section – A

1.

Give an example such that sum of two irrational numbers is a rational number.

1-mark

2.

Write the value of  upto three decimal places.

1-mark

3.

Write the degree of polynomial 2 – y² – y³ + 2y⁸

1-mark

4.

 Represent. 1.25 on the number line.

1-mark

5.

Why (x, y) (y, x)

1-mark

Section - B

6.

What do you mean by ordered pairs   

2-marks

7.

 Expand (1 + X)³   

2-marks

8.

If x + y + z = 0 then write the value of x                       
x + y³ + z3 – 3xyz.

2-marks

9.

Write the factors of 12 ky²   

2-marks

Section - C

10.

Represent    on the number line.

3-marks

11.

Show that can be expressed in the  form.   

3-marks

12.

Visualize  on the number line upto 4 decimal places.   

3-marks

13.

Renationalize the denominators of 

3-marks

14.

Define zero of a polynomial. Also find zeros of polynomial
P(x) = x² – 5x + 6    

3-marks

Section - D

15.

Draw the graph of
X + 2y = 5 and
2x + 3y = 12 on the same graph.

Using graph Check whether x = 1, y = 2 is the solution of x + 2y = 5

6-marks

16.

State remainder theorem and factor theorem.
Factorize
X³ – 23x² + 142x – 120
Using factor theorem.