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The equation of a straight line passing ...

The equation of a straight line passing through the point (1, 2) and inclined at `45^(@)` to the line `y=2x+1` is

A

`5x+y=7`

B

`3x+y=5`

C

`pi+y=3`

D

`x-y+1=0`

Text Solution

Verified by Experts

The correct Answer is:
B
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SIA PUBLICATION-STRAIGHT LINE-EXERCISE (PROBLEMS)
  1. Find the set of values of a if the points (1,2) and (3,4) lie to the s...

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  2. The perpendicular distance from the point (1,pi) to the line joining (...

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  3. The equation of a straight line passing through the point (1, 2) and i...

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  4. A point moves in the xy-plane such that the sum of its distances from ...

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  5. The number of points P(x, y) with natural numbers as coordinates that ...

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  6. The image of the point (3, 8) in the line x+3y=7 is

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  7. The line joining the points A(2,0) and B(3,1) is rotated through an an...

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  8. The polar equation of the line perpendicular to the line sin theta-cos...

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  9. If a straight line L is perpendicular to the line 4x-2y=1 and forms a ...

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  10. The image of the point (4, -13) with respect to the line 5x+y+6=0 is :

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  11. The image of the line x+y-2=0 in the y-axis is

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  12. A straight line which makes equal positive intercepts on X and Y axes ...

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  13. The area (in square unit ) of the circle which touches the lines 4x+3y...

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  14. The point on the line 3x+4y=5 which is equidistant from (1, 2) and (3,...

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  15. The equation of the straight line perpendicular to the straight line 3...

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  16. If the sum of the distance of a point P from two perpendicular lines i...

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  17. If 1, m, n are in arithmetic progression, then the straight line lx+my...

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  18. The value of k such that the lines 2x-3y+k =0, 3x-4y-13=0 and 8x-11y -...

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  19. The angle between the line joining the points (1,-2), (3,2) and the li...

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  20. If A(2,-1) and B(6,5) are two points. The ratio in which the foot of t...

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