Horizontal, vertical and slanted Number Lines.

Adjusting the scale
Choose the number 1 to rotate the number line about zero. You can leave it in any oblique alignment or keep going until it is horizontal. [br]How can your mouse increase the scale?
Mr Downes Maths[br]https://www.rdmath.com/
Emma says that the x-axis is just a [b]horizontal number line [/b]and the y axis is just a vertical number line. Do you agree with Emma? Explain your answer.
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Information: Horizontal, vertical and slanted Number Lines.