If the perpendicular distance of a point P from the x-axis is 5 units and the foot of the perpendicular lines on the negative direction of x-axis, then the point P has?
A
x coordinate =5
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B
y coordinate =5 only
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C
y coordinate =−5 only
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D
y coordinate =5 or −5
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Solution
The correct option is Dy coordinate =5 or −5 ThefootoftheperpendicularfromthepointPtotheX−axisistothenegativedirectionofX−axis.∴Itscoordinateis(−x,0)Thelengthoftheperpendicularis5units.SotheordinateofPwillbe0±5=+5or−5.Ans−OptionD