Which number line represents all of the values of x for the equation x2 = 64? A number line is shown from negative 40 to 0 to positive 40. There are increments of 8 on the number line, and all these are increments are labeled. A dot is shown on positive 8 and is labeled as p. A number line is shown from negative 40 to 0 to positive 40. There are increments of 8 on the number line, and all these are increments are labeled. A dot is shown on positive 8, another dot is shown on negative 8, and are labeled as p and q, respectively. A number line is shown from negative 40 to 0 to positive 40. There are increments of 8 on the number line, and all these are increments are labeled. A dot is shown on positive 32 and is labeled as p. A number line is shown from negative 40 to 0 to positive 40. There are increments of 8 on the number line, and all these are increments are labeled. A dot is shown on positive 32, another dot is shown on negative 32, and are labeled as p and q, respectively.