It is the starting point for the number line, also called the origin. Measurements, along the number line, for all other values, are taken from that point.
Chat with our AI personalities
The point where the value is 0.
the number that is halfway between -4 and 0 is -2
0.7 is located on the number line between 0 and 1.
Its absolute value.
The number on the written line is different then the number line.