Various Forms of the Equation of a Line

IMPORTANT

Various Forms of the Equation of a Line: Overview

This Topic covers sub-topics such as x-intercept and y-intercept of a Line, Equation of Straight Line in Intercept Form, Equation of Straight Line in Two Points Form and, Equation of Straight Line in Slope Intercept

Important Questions on Various Forms of the Equation of a Line

MEDIUM
IMPORTANT

Find the equation of a straight line which is parallel to the line 3x-4y=12 and passes through the point 6,4.

EASY
IMPORTANT

A straight line AB cuts the co-ordinate axes at A and B. If the mid-point of AB is 2,3, find the equation of AB.

HARD
IMPORTANT

A straight line AB cuts the co-ordinate axes at A and B. If the midpoint of AB is 2, 3, find the equation of AB.

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MEDIUM
IMPORTANT

A straight line AB cuts the co-ordinate axes at A and B. If the midpoint of AB is 2, 3, find the equation of AB.

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MEDIUM
IMPORTANT

Write the equation of the lines for which tan θ=12, where θ is the inclination of the line and x-intercept is 4.

MEDIUM
IMPORTANT

Show that two lines a1x+b1y+c1=0 and a2x+b2y+c2=0, where b1, b20 are perpendicular if a1a2+b1b2=0.

EASY
IMPORTANT

Equation of a line is 3x-4y+10=0. Find its x-and y-intercepts.

EASY
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Equation of a line is 3x-4y+10=0. Find its slope.

EASY
IMPORTANT

The slope of a line joining the points 2,k and -4,2 is 12, then find 'k'.

MEDIUM
IMPORTANT

The equation of right bisector of the line joining the points (1,1) and (3,5) is

EASY
IMPORTANT

Let P=(-1,0),Q=(0,0) and R=(3,33) be three points then the equation of bisector of the angle PQR is?

EASY
IMPORTANT

A straight line L, whose slope is m, passes through the point 2,0 and intersects y2-4x+4=0 in distinct points. Hence m lies in the interval

MEDIUM
IMPORTANT

Find the equation of line at which the length of the perpendicular from the origin is 2 and the slope of this perpendicular is 512.

EASY
IMPORTANT

Let a line AB cuts an intercept of 7 units and 73 units on positive sides of axes. Find the number of integral values of m so that the x-coordinate of the point of intersection of lines mx+y=3 and AB is also an integer.

EASY
IMPORTANT

The angle between the lines x-3y+5=0 and y-axis is

HARD
IMPORTANT

A line is such that its segment between the lines 5x-y+4=0 and 3x+4y-4=0 is bisected at the point 1, 5. Obtain its equation.

MEDIUM
IMPORTANT

Find the equation of a line perpendicular to the line x-2y+3=0 and passing through the point 1, -2.

MEDIUM
IMPORTANT

Reduce the equation 3x+y-8=0 into normal form. Find the values of p and ω.

HARD
IMPORTANT

Find the equation of the line whose perpendicular distance from the origin is 4 units and the angle which the normal makes with positive direction of x-axis is 15°.

HARD
IMPORTANT

The Fahrenheit temperature F and absolute temperature K satisfy a linear equation. Given that K=273 when F=32 and that K=373 when F=212. Express K in terms of F and find the value of F, when K=0.