Question

The horizontal line in a bar graph is called:

• A. $x$-axis
• B. $y$-axis
• C. Imaginary axis
• D. None of these

Answer 1

The correct option is A $x$-axis

In the Cartesian coordinate system, the horizontal reference line is called $x$-axis.

Therefore, the horizontal line in a bar graph is called $x$-axis.

Hence, option $A$ is correct.