KC Sinha Mathematics Solution Class 11 Chapter 21 Straight Lines Exercise 21.2

 Exercise 21.2

Page no 21.18

Question 1

Find the equation of the line which is parallel to $x$-axis and at a distance of 3 units below the $x$-axis.

Question 2

Find the equation of the line perpendicular to $x$-axis and passing through itr origin.

Question 3

Find the equation of the straight lines which are
(i) parallel to the $x$-axis at a distance of 5 units from it.
(ii) parallel to the $y$-axis and at a distance of 4 units from it towards negative side of $x$-axis.

Question 4

Find the equations of the straight lines which pass through $(5,3)$ and are respectively parallel and perpendicular to the $x$-axis.

Question 5

Find the equation of the line which is parallel to $y$-axis and passes through the point $(3,-4)$

Question 6

Find the equation of the line perpendicular to the $x$-axis and passing through the point $(-1,-1)$.


Question 7

Find the equation of the line parallel to $x$-axis and having intercept $-2$ on $y$-axis.





































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