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If the straight line x+y+1=0 is changed ...

If the straight line x+y+1=0 is changed into the from x cosa + y sin a = p, then find the value of a.

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PATHFINDER-STRAIGHT LINE-QUESTION BANK
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  2. The slope of a line through A(1,1) is 1. Find the point of the line at...

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  3. If the straight line x+y+1=0 is changed into the from x cosa + y sin a...

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  4. The straight line x+y+1+ lambda (2x-y-1)=0 is bot to 2x+3y-8=0, find t...

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  5. The line x/a-y/b=1 cuts the x-axis at P. Find the equation of the line...

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  6. Find the value of lambda for which the lines 3x+4y=5,5x+4y=4 and lambd...

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  7. If sum of the slopes of the lines x^2+kxy-3y^2=0 is twice the product ...

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  8. Find the condition for which the lines joining the origin to the point...

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  9. Find the condition by which the bisectors of the lines x^2-2pxy-y^2=0 ...

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  10. Find the equation of the line passing through (1,1) and parallel to th...

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  11. Find the equation of the line passing through the point (2,3) and bot ...

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  12. Find the number of lines that are parallel to 2x+6y-7=0 and have an in...

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  13. If the lines 4x+3y=1,y=x+5 and 5y+bx=3 are concurrent, then find the v...

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  14. A straight line is such that the portion of it intercepted between the...

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  18. Find the equation of the line which has y-intercept 4 units and is par...

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  19. Prove that the lines 2x-3y-7=0,3x-4y-13=0 and 8x-11y-33=0 are concurre...

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  20. Find the distance between the lines 9x+40y-20=0 and 9x+40y+103=0.

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