Family of Straight Lines

Author:Embibe Experts
KCET (UG)
IMPORTANT

Important Questions on Family of Straight Lines

MEDIUM
IMPORTANT

The lines (a+2b) x+(a-3b) y=a-b for different values of a and b pass through the fixed point whose coordinates are

MEDIUM
IMPORTANT

What is the equation of the line passing through the point of intersection of the lines x+2y-3=0 and 2x-y+5=0 and parallel to the line y-x+10=0 ?

MEDIUM
IMPORTANT

The equation of the line passing through the point 2,3 and the point of intersection of lines 2x-3y+7=0 and 7x+4y+2=0 is

EASY
IMPORTANT

The equation of a straight line passing through the point of intersection of the straight line 3x-y+2=0 and 5x-2y+7=0 and having infinite slope is

MEDIUM
IMPORTANT

If non-zero numbers a,b and c are in HP, then the straight line xa+yb+1c=0 always passes through a fixed point, that point is

MEDIUM
IMPORTANT

The value of k for which the lines 7x-8y+5=0, 3x-4y+5=0 and 4x+5y+k=0 are concurrent is given by

HARD
IMPORTANT

If the lines x+3y-9=0, 4x+by-2=0, and  2x-y-4=0 are concurrent, then the equation of the line passing through the point b,0 and concurrent with the given lines, is

MEDIUM
IMPORTANT

Consider the family of lines 5x+3y-2+λ1(3x-y-4)=0 and x-y+1+λ2(2x-y-2)=0. Equation of a straight line that belongs to both families is 

MEDIUM
IMPORTANT

The values of k for which lines kx+2y+2=0, 2x+ky+3=0 and 3x+3y+k=0 are concurrent

MEDIUM
IMPORTANT

If 3a+2b+6c=0, the family of straight lines ax+by+c=0 passes through a fixed point whose coordinates are given by