### Home > CCA > Chapter 8 > Lesson 8.1.3 > Problem 8-31

8-31.

Factor the following quadratic expressions, if possible.

Review online help for problem 8-17.

Use a generic rectangle and a diamond to solve.

Generic rectangle left edge top

interior top left

interior top right

left edge bottom

interior bottom left

interior bottom right

bottom edge left

bottom edge right

Insert a

between the and the .

Parts (a) through (c) are trinomials while part (d) is a binomial, yet they are all quadratics. What makes each of them a quadratic?

What the highest power of the variable in each of the problems?