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What is the condition for the equation ...

What is the condition for the equation `ax+by+c=0` to represent a
vertical line

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The correct Answer is:
The equation `ax+by+c=0` represents a vertical line if `b=0`
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SRISIRI PUBLICATION-STRAIGHT LINES-EXAMPLE
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  2. Write & Explain the terms of parametric equations of a straight line.

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  3. What is the condition for the equation ax+by+c=0 to represent a ver...

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  4. What is the condition for the equation ax+by+c=0 to represent a non...

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  5. Find the slope of the x + y = 0 and x - y = 0 .

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  6. Find the equation of the line containing the points (1,2) and (1,-2)

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  7. Write the equation of the reflection of the line x=1 in the Y-axis.

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  8. If the linear equations ax+by+c=0, (a,b,c!=0) and lx+my+n=0 represent ...

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  9. If the sum of the reciprocals of the intercepts made by a variable st...

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  10. Line L has intercepts a and b on the axes of co ordinates. When the ax...

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  11. Show that the straight lines (a-b)x+(b-c)y=c-a,(b-c)x+(c-a)y=a-b and (...

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  12. If the four straight lines ax+by+p=0, ax+by+q=0, cx+dy+r=0 and cx+dy+s...

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  13. An equilateral triangle has its incentre at the origin and one side as...

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  14. Find the locus of the foot of the perpendicular from the orign to a va...

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  15. Show that the lines x-7y-22=0, 3x+4y+9=0 and 7x+y-54=0 form a right an...

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  16. Find the angles of the triangle whose sides are x+y-4=0, 2x+y-6=0, 5x+...

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  17. Prove that the feet of the perpendicular from the origin on the lines ...

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  18. Each sides of a square is of lemgth 4 units. The centre of the square ...

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  19. If abgt0 find th area of the rhombus enclosed by the four straight lin...

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  20. Find the equation of the line perpendicular to the line 3x+4y+6=0 and ...

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