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The triangle formed by the lines x+y-4=0, 3x+y=4, x+3y=4 is

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Important Questions on Straight Line

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Mathematics Crash Course MHT-CET>Chapter 5 - Straight Line>Exercise 1>Q 138
If the straight line ax+by+c=0 make a triangle of constant area with coordinate axes, then 
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Mathematics Crash Course MHT-CET>Chapter 5 - Straight Line>Exercise 1>Q 139
The point Pa,b lies on the straight line 3x+2y=13 and the point Qb,a lies on the straight line 4x-y=5, then the equation of the line PQ is
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Mathematics Crash Course MHT-CET>Chapter 5 - Straight Line>Exercise 1>Q 140
The line k+12x+ky-2k2-2=0 passes through a point regardless of the value of k. Which of the following is the equation of the line with slope 2 and passing through that point?
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Mathematics Crash Course MHT-CET>Chapter 5 - Straight Line>Exercise 1>Q 141
If fα=xcosα+ysinα-pα, then the lines fα=0 and fβ=0 are perpendicular to each other, if
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Mathematics Crash Course MHT-CET>Chapter 5 - Straight Line>Exercise 1>Q 142
The coordinates of three consecutive vertices of a parallelogram are (1,3),(-1,2) and (2,5). The coordinates of the fourth vertex are
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Mathematics Crash Course MHT-CET>Chapter 5 - Straight Line>Exercise 1>Q 143
If a, b, c are in harmonic progression, then straight line xa+yb+1c=0 always passes through a fixed point, that point is
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Mathematics Crash Course MHT-CET>Chapter 5 - Straight Line>Exercise 1>Q 144
If the line xa+yb=1 passes through the points 2,-3 and 4,-5, then a,b=
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Mathematics Crash Course MHT-CET>Chapter 5 - Straight Line>Exercise 1>Q 145
The distance of the line 2x-3y=4 from the point 1,1 measured parallel to the line x+y=1 is