Question:
as we know that in the equation Y=mx c ,m determines the slop.if we consider Y axis, the slop will be undefined(tan 90= undefined).then how can I represent the equation of Y axis from the equation Y=mx c
Answer:
Give, equation of line is:
y = mx + c
If we consider Y-axis, the slope is undefined.
Actually, this is a special case, and we use a different equation, not y = ......., but instead, we use x = ....
Ex: x = 1.5
i. e. Every point on the line has x coordinate 1.5
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