Show that the slope of the line passing through the two points (a, a2) and (x, x2) is x +...

Show that the slope of the line passing through the two points (a, a2) and (x, x2) is x + a. Hint: You’ll need to use difference of squares factoring from intermediate algebra. If you need a review, see Appendix B.4.

Appendix B.4.

B.4 REVIEW OF FACTORING

TABLE 1 Basic Factoring Techniques