A.4.5.1 Make It True
- Author:
- LeonMilewski
Consider the equation q=4+0.8p.
1. What value of q would make the equation true when: a. p is 7? b. p is 100?
2. What value of p would make the equation true when: a. q is 12? b. q is 60?
Invite students to share their response and strategy for answering the questions.
To find the values of p in the second set of questions, some students may have guessed and checked, but many students should have recognized that they could solve the equations for p (either before or after substituting the value of q). If no students mentioned solving the equations, bring it to their attention.
Remind students that to solve 12=4+0.8p is to find the value of p that makes the equation true.