How is the product of 3 and 2 shown on a number line? A number line going from negative 7 to positive 7. An arrow goes from 0 to 3 and from 3 to 6. A number line going from negative 7 to positive 7. An arrow goes from 6 to 3 and from 3 to 0. A number line going from negative 7 to positive 7. An arrow goes from negative 6 to negative 3 and from negative 3 to 0. A number line going from negative 7 to positive 7. An arrow goes from 0 to negative 3 and from negative 3 to negative 6.