chp 1,2,6

What is LCM of smallest prime number and the smallest composite number

• 2

• 4

• 6

• 8

 $2+\sqrt{2}$  is 

• an integer

• a rational number

• an irrational number

• none of these 

 The decimal expansion of the rational number  $\frac{37}{2^2\times5}$ will terminate after

• one decimal place 

• two decimal places 

• three decimal places 

• four decimal places 

The HCF of two numbers, 1261 and 1067 is 97. Find their LCM

• 18222

• 1212

• 13871

• 36470

Which of the following is not graph of a quadratic polynomial?

• 
• 
• 
• 

If one of the zero of 3x² + 8x + k be the reciprocal of the other, then the value of k is

• 3

• -3

• $\frac{1}{3}$

• $\frac{-1}{3}$

The polynomial which when divided by  $-x^2+x\ -1$  
  gives a quotient x - 2 and remainder is 3, is 

•  $x^3\ -3x^2\ +\ 3x\ -5$  

•  $-x^3\ -3x^2\ -\ 3x\ -5$  

•  $-x^3\ +3x^2\ -\ 3x\ +5$  

•  $x^3\ -3x^2\ -\ 3x\ +5$  

If x = 3 is one of the root of the quadratic equation $x^2\ -\ 2kx\ -\ 6$  , then find value of k.

•  $\frac{1}{3}$  

•  $\frac{1}{2}$  

•  $\frac{2}{5}$  

•  $\frac{1}{6}$  

If one of the zeros of quadratic polynomial (k-1)x² + kx + 1 is -3, then find value of k

• $\frac{3}{4}$

• $\frac{4}{3}$

• $\frac{2}{3}$

• $\frac{3}{2}$

1) Find a quadratic polynomial, in which the sum of the zeros is $\sqrt{3}$    and the product of the zeros is 11 respectively 

•  $k\left(x^2\ -\ \sqrt{2}x\ +\ 11\ \right)$  

•  $k\left(x^2\ -\ \sqrt{11}x\ +\ 3\ \right)$  

•  $k\left(x^2\ -\ \sqrt{3}x\ +\ 11\ \right)$  

•  $k\left(x^2\ +\ \sqrt{2}x\ +\ 11\ \right)$