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The slopes of the lines which make an an...

The slopes of the lines which make an angle `45^@` with the line `3x-y=-5` is

A

`1,-1`

B

`1/2,-1`

C

`1,1/2`

D

`-2,1/2`

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The correct Answer is:
D
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DISHA PUBLICATION-STRAIGHT LINES AND PAIR OF STRAIGHT LINES-EXERCISE 1: CONCEPT BUILDER
  1. The point (x,y) lies on the line with slope m and passes through the f...

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  2. The two linesax+by=cand a'x+b'y=c' are perpendicular if

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  3. The slopes of the lines which make an angle 45^@ with the line 3x-y=-5...

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  4. The lines x+2y-5=0, 2x-3y+4=0,6x+4y-13=0

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  5. Two points P(a,0) and Q(-a,0) are given, R is a variable on one side o...

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  6. Consider the equation sqrt(3)x+y-8=0 I. Normal form of the given equ...

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  7. The diagonals of the parallelogram whose sides are lx+my+n = 0,lx+ my+...

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  8. The equation of a straight line which cuts off an intercept of 5 units...

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  9. A ray of light passsing through a point (1,2) is reflected on the x-ax...

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  10. The inclination of the line x-y+3=0 with the positive direction of x-a...

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  11. The line parallel to the x-axis and passing through the intersection o...

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  12. A straight line l with negative slope passes through (8,2) and cuts th...

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  13. If (-4,5) is a vertex of a square and one of its diagonal is 7x-y+8-0....

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  14. What is the equation of the line mid way between the lines 3x-45y+12=0...

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  15. What is the equation of the line through (1, 2) so that the segment of...

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  16. The point (t^(2)+2t+5,2t^(2)+t-2) lies on the line x+y=2 for

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  17. Find the value of x for which the points (x-1),\ (2,1)a n d\ (4,5)\ a...

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  18. If (a,a^(2)) falls inside the angle made by the lines y=(x)/(2), x g...

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  19. The perpendicular distance between the straight lines 6x+8y+15=0 and 3...

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  20. The locus of a point that is equidistant from the lines x+y - 2sqrt2 =...

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