Monthly test mathematics class 8th

If the side length of a square is 0.5m then its area is:

• 0.5 $m^2$

  
  

• 2.5 $m^2$

• 0.25 $m^2$

• 25 $m^2$

2.Which of the following is not true about  $\sqrt{100}$  ?

• Natural Number

• Whole Number

• Rational Number

• Irrational Number

 $\sqrt{9^2\times4^2}$  =?

• 36

• 1296

• 13

• 324

The number of digits in the square root of 7778521

• 4

• 6

• 8

• 3

4x+2y+3z is an algebric

• Expression

• Equation

• Inequality

• Symbols

To represent variables we use:

• Constants

• Numbers

• Alphabets

• Literals

2 $x^{-2}$  is:

• a polynomial

• not a polynomial

• a constant term

• an inequality

In a polynomial the number multiplied with the variables is called a:

• number

• cofficient

• index

• constant

Polynomial 3 $y^2$  is:

• Linear

• Quadratic

• Cubic

• Biquadratic

Biquadratic algebaric expression is a polynomial of degree:

• One

• Two

• Three

• Four