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Home > CCA > Chapter 8 > Lesson 8.1.3 > Problem 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 Diamond Problem. Left negative 2 k, Right negative 10 k, Top 20 k squared. Bottom negative 12 k.

    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 .

  1. 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?