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Question

If the slope of the line passing through the point A(3,2) is 34,then the point on the line 5 units away from Ais.


A

(-1.-1)

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B

(7,5)

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C

(7,-5)

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D

Both A and B

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Solution

The correct option is D

Both A and B


Explanation for correct option:

Option (A):

If the slope of the line passing through the point A(3,2) is 34,Then

Considering the point as (-1.-1) , the length is given as

l=(x2-x1)2+(y2-y1)2

l=(3+1)2+(2+1)2

l=32+42

l=5

Option (B):

If the slope of the line passing through the point A(3,2) is 34,Then

Considering (7,5) length is given as

l=(x2-x1)2+(y2-y1)2

l=(3-7)2+(2-5)2

l=(-4)2+(-3)2

l=5

Explanation for incorrect options :

Option (C):

If the slope of the line passing through the point A(3,2) is 34,Then

Considering option ( C) (7,-5), length is given as

l=(x2-x1)2+(y2-y1)2

l=(3-7)2+(2+5)2

l=(-4)2+(7)2

l=655

Therefore, option (A) and (B) are correct


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