Friday, 1/22/16: Strengthening Lesson 8-2, Solving Systems by Substitution

No formal homework is assigned for the weekend.  We're between lessons.  There is an extra-credit problem that students can try, #13 on p.243.

Our next test is on solving equations in one variable and systems, and it is Wednesday, 2/3.  The material on it:

• equations (Lessons 7-1, 7-2, 7-3, and 7-4)
• solving systems by substitution (Lesson 8-2)
• solving systems by elimination (Lesson 8-3)

Additionally, Lesson 8-1 should be reviewed, because that involved graphing and set the stage for solving by substitution and elimination.  (We used an excellent worksheet instead of the text for graphing, but the lesson details that aspect.)