Various Forms of the Equation of a Line

IMPORTANT

Various Forms of the Equation of a Line: Overview

This topic consists of various concepts like x-intercept and y-intercept of a Line,Equation of Straight Line in Various Forms,Equation of Straight Line in Point Slope Form, etc.

Important Questions on Various Forms of the Equation of a Line

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The equation of a straight line passing through the intersection of the lines x+y+1=0, 2x-y+5=0 and through the point (5,-2).

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In the gradient-intercept form of equation y = mx + c, the point where line cuts y-axis is:

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The equation of the image of the line x+2=0 with respect to x=0 is

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If a line passes through point A(0,c) and has gradient 'm' then the equation will be:

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A line cuts the x-axis at   A(7,0)  and the y-axis at  B(0,5).  A variable line PQ is drawn perpendicular to AB cutting the x-axis in P and y axis in Q. If AQ and BP intersect at R, find the locus of R.

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A vertex of an equilateral triangle is (2,3)  and equation of the opposite side is x+y=2. Find the equation of the other sides of the triangle.

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

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If 3x-4y+7=0 and ax+2y+1=0 are perpendicular, then 'a' equal to:

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If the point α, 733 lies on the curve traced by the mid-points of the line segments of the lines x cosθ+ysinθ=7, θ0, π2 between the co-ordinates axes, then α is equal to

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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.

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A straight line cuts off the intercepts OA=a and OB=b on the positive direction of x-axis and y-axis respectively. If the perpendicular from origin to this line makes an angle π6 with positive direction of y-axis and are of OAB is 9833 sq. units, then a2-b2 is equal to

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

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

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

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Consider a parallelogram whose sides are represented by the lines 2x+3y=0, 2x+3y-5=0, 3x-4y=0 and 3x-4y=3. The equation of the diagonal not passing through the origin is

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

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Find the equation of the normal to the curve y=x2+4x+1 at the point 3,22. if slope of tangent is 10.

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If the triangle with vertices A2,3, B4,-1 and C-1,2, then the equation of median from A is