CPM Homework Banner

Home > MC1 > Chapter 2 > Lesson 2.2.2 > Problem 2-66

2-66.

Write an expression to represent each of the following sketches. Then give the value of each sketch. Homework Help ✎

  1. 2-66 (a)

    Look for pairs of positive and negative integers that will add to zero.

    There are two pairs that add to zero and one non-paired negative integer.

    Write an expression representing the integers that added to zero, plus the remaining integers.

    One solution to this problem is .
    You can also write this as .

  1. 2-66 (b)

    To solve this problem, follow the same steps as in part (a).

    One solution to this problem is .
    Another is .

  1. 2-66 (c)

    How many +'s are there? How many −'s? How many zeros?

  1. 2-66 (d)

    Follow the same steps as in part (a).