1. Math 110: Precalc 11 When you first arrive in class: –If you have any questions about the homework please put the question #’s on the board If someone has already put your question # up, and you’d like to see an explanation, please put a check mark next to the problem The idea being that problems that lots of people are finding difficult will be clearly marked We’ll start with ≤ 10 minutes of Q+A

2. Math 110: Pre-Calculus 1 Instructor: Mike Panitz (mpanitz@cascadia.ctc.edu)

3. Math 110: Precalc 13 Contact Info Sending me your email address before Friday, 5pm, and you will get you 2.5 points of extra credit. Subscribing to the Google Group before Friday, 5pm, will get you 2.5 points of extra credit.

4. Math 110: Precalc 14 Calculators on Exams You’re allowed/encouraged to use your graphing calculators on the exams ALL MEMORY WILL BE CLEARED!! –So any programs that you’ve loaded into it will be removed. –This will be done immediately before each exam

5. Math 110: Precalc 15 Exam #1 This will be on Wednesday, April 18 th

6. Math 110: Precalc 16 Today’s Topics –Q+A –Solving Equations using your Graphing Calculator –Quadratic Equations: Discriminant Solving By Factoring Solving By Completing the Square Solving By the Quad. Formula –Radical Equations: Strategy for Solving Equations that are quadratic in form –Absolute Value Equations

7. Math 110: Precalc 17 Reading review for this class: –§ 1.2 – Using Your Calculator To Solve Equations –§ 1.3 - Quadratic Equations –§ 1.5 - Radical and Absolute Value Equations Reading for next class: –§ 2.2 – Functions Ignore § 2.2.4 (“Operations On Functions”) for now –§ 2.3 – Graphs of a Function –§ 2.5 - Linear Function & Models