### Home > A2C > Chapter 8 > Lesson 8.1.4 > Problem 8-67

8-67.

Consider the system of equations and

*.*

*7-66 HW eTool*(Desmos). Homework Help ✎

Is it possible to solve this system by substitution? By the Elimination Method? By graphing?

Use substitution:

. Solve for .List at least five possible solutions.

List five values where the graphs intersect.

Consider the list of solutions you wrote in part (b) as a sequence and write a rule to represent

*all*possible solutions.List your values from part (b) in order and look for a relationship.

for all integersUse the eTool below to help answer parts (a) and (b).

Click the link at right for the full version of the eTool:*CCA2 7-66 HW eTool*