Which describes the positions on a horizontal number line? All points to the left of one are positive. All points to the right of one are positive. All points to the left of zero are negative. All points to the right of zero are negative.

A number line is nothing but a straight line in which the left of zero are negative numbers and to the right of zero are all positive numbers. The correct options are B) and C).

The number line serves as an abstraction for real numbers and a number line is nothing but a straight line.

Check all the options in order to find which describes the positions on a horizontal number line:

A) All points to the left of one are positive.

This option is incorrect because except zero the left of 1 are all negative numbers.

B) All points to the right of one are positive.

This option is correct because all points to the right of one are positive numbers that is 2, 3, 4, and so on.

C) All points to the left of zero are negative.

This option is correct because to the left of zero in the number line there are all negative numbers.

D) All points to the right of zero are negative.

This option is incorrect because to the right of zero in the number line there are all positive numbers.

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