When a straight line is parallel to x-axis all points on the line have the same ordinate b.
Equation on this line is y = b
When a straight line is parallel to y-axis all points on the line have the same abscissa a.
Equation on this line is x = a
In this case:
Equation of L1:
y = b
Equation of L2:
x = a
Given a point x(a,b) a line ,L1 is passing through x and parallel to x-axis what is the equation of L1 another line L2 passing through x and parallel y-axis what is the equation of L2
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