Which number line represents all of the values of x for the equation x2 = 25?

a number line is shown from negative 25 to 0 to positive 25. there are increments of 5 on the number line, and all these increments are labeled. a dot is shown on positive 5 and is labeled as p.

a number line is shown from negative 25 to 0 to positive 25. there are increments of 5 on the number line, and all these increments are labeled. a dot is shown on positive 5, another dot is shown on negative 5 and they are labeled as p and q, respectively.

a number line is shown from negative 25 to 0 to positive 25. there are increments of 5 on the number line and all these increments are labeled. a dot is shown on positive 10 and is labeled as p.

a number line is shown from negative 25 to 0 to positive 25. there are increments of 5 on the number line, and all these increments are labeled. a dot is shown on positive 10, another dot is shown on negative 10, and are labeled as p and q, respectively.