Question

# Identify a line having zero slope

- x = y
- x = 100
- y = 100
- x = 0

## The correct answer is: y = 100

### Hint:- Horizontal lines / lines parallel to x-axis have slope = 0.

Step-by-step solution:-

We know that when a line, plotted on a graph is represented by a Horizontal line, its slope is 0.

i.e. slopes of lines that are parallel to x-axis are 0.

Equations of lines that are parallel to x-axis are in the form y = b where b is the value of y-intercept.

Option C i.e. y = 100 is the only option that satisfies this condition.

Hence, y = 100 is the line having zero slope.

Final Answer:-

∴ Option C i.e. y = 100 is the correct answer.

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