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The equation of the line passing through...

The equation of the line passing through `(1,2)` and perpendicular to `x+y+7=0` is

A

`y-x+1=0`

B

`y-x-1=0`

C

`y-x+2=0`

D

`y-x-2=0`

Text Solution

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The correct Answer is:
B
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MODERN PUBLICATION-STRAIGHT LINES -OBJECTIVE TYPE QUESTIONS (A. MULTIPLE CHOICE UESTIONS )
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  2. The two linesax+by=cand a'x+b'y=c' are perpendicular if

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  3. The equation of the line passing through (1,2) and perpendicular to x+...

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  4. The distance of the point P(1,-3) from the line 2y-3x=4 is

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  5. The coordinates of the foot of the perpendicular from the point (2,3) ...

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  6. The intercept cut off from Y-axis is twice that from X-axis by the lin...

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  7. A straight line through P(1,2) is such that its intercept between the...

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  8. Slope of a line which cuts off intercepts of equal lengths on the axes...

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  9. A point moves such teat its distance from the point (4,0) is half that...

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  10. A line cutting off intercept -3 from the Y-axis and the tangent at ang...

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  11. Find the tangent of the angel between the lines whose intercepts n the...

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  12. If the line x/a+y/b=1 passes through the points a (2,- 3) and (4, - 5)...

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  13. The distance of the point of intersection of the lines 2x-3y+5=0 and 3...

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  14. Show that the equations of eth straight lines passing through the poin...

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  15. Consider the following statements : 1. The distance between the line...

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  16. If the coordinates of the middle point of the portion of a line interc...

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  17. Equation of the line passing through (1,2) and parallel to the line y=...

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  18. Find the equations of the diagonals of the square formed by the lines ...

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  19. For specifying a straight line, how many geomatrical parameters should...

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  20. Slope of the line joining the points (3,-2) and (7,-2) is :

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