2 Marks Questions

Questions · Page 2 of 2

Question 512 Marks

Evaluate each of the following expressions for $x=-2, y=-1, z=3$ :
$x^2+y^2+z^2-x y-y z-z x$

Answer

Question 522 Marks

Evaluate each of the following expressions for $x=-2, y=-1, z=3$ :
$\frac{x}{y}+\frac{y}{z}+\frac{z}{x}$

Answer

$\frac{1}{6}$

Question 532 Marks

Write the numerical coefficient of the following:
$-2 x^3 y^2 z$

Answer

-2

Question 542 Marks

Write the numerical coefficient of the following:
7abc

Answer

Question 552 Marks

Write the numerical coefficient of the following:
-6yz

Answer

-6

Question 562 Marks

Write the numerical coefficient of the following:
xy

Answer

2 Marks Questions - Page 2 - Maths STD 7 Questions - Vidyadip

Maths 2 Marks Questions