Question

what could be explained formed the straight horizontal ​

Answer 1

Answer:

The graph of a relation of the form y = 5 is a line parallel to the x-axis because the y value never changes.  

A line parallel to the x-axis is called a horizontal line.

The graph of a relation of the form x = 5 is a line parallel to the y-axis because the x value never changes.

A line parallel to the y-axis is called a vertical line.

Answer 2

Answer:

Speed or velocity is plotted on the Y-axis. A straight horizontal line on a speed-time graph means that speed is constant. It is not changing over time.

Explanation:

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