Tamil Nadu Board Solutions for Chapter: Coordinate Geometry, Exercise 15: Exercise 5.5

If slope of the line $\mathrm{PQ}$ is $\frac{1}{\sqrt{3}}$ then slope of the perpendicular bisector of $\mathrm{PQ}$ is

If $\mathrm{A}$ is a point on the $\mathrm{Y}$ axis whose ordinate is $8$ and $\mathrm{B}$ is a point on the $\mathrm{X}$ axis whose abscissa is $5$ then the equation of the line $\mathrm{AB}$ is

The equation of a line passing through the origin and perpendicular to the line $7x-3y+4=0$ is

Consider four straight lines

(i) $l_1:3y=4x+5$

(ii) $l_2:4y=3x-1$

(iii) $l_3:4y+3x=7$

(iv) $l_4:4x+3y=2$

Which of the following statement is true?

A straight line has equation $8y=4x+21.$ Which of the following is true?

When proving that a quadrilateral is a trapezium, it is necessary to show

While proving that a quadrilateral is a parallelogram by using slopes you must find

$(2,1)$ is the point of intersection of two lines.