Q.

What is the slope of the y-axis?


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a

0

b

1

c

Undefined

d

None of these 

answer is C.

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Detailed Solution

Concept- Determine the angle formed by the y-axis and the x-axis. Then, determine the tangent of the angle formed by the two axes.
A line's slope is indeed the tangent of the angle formed by a line with a positive Question Image-axis.
As since, Question Image-axis makes an angle Question Image with positive Question Image-axis,
Slope Question Image undefined
Therefore, the slope is undefined.
Hence, the correct answer is option 3) Undefined.
 
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What is the slope of the y-axis?