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 You are still required to send me your email address. You are still required to subscribe to the Google Group.

4. Math 110: Precalc 14 Exam #1 This will be on Wednesday, April 18 th This is 1 week after this Wednesday

5. Math 110: Precalc 15 Exam #1: Grading Grading will be more detail-oriented than on the homeworks Probably about 10 questions, ~10 points/question –For all questions, ONE POINT for the correct answer –Remainder for SHOWING YOUR WORK and for CHECKING YOUR WORK Checking (where possible) will be required, and worth points I’ll try to make it clear on the exam which questions you HAVE to check your work on –You will need to write out any formulas, before you use them.

6. Math 110: Precalc 16 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

7. Math 110: Precalc 17 Today’s Topics –Q+A –Quadratic Equations: Solving By the Quad. Formula –Radical Equations: Strategy for Solving Equations that are quadratic in form –Absolute Value Equations –‘Real World’ Application of solving an equation: Where to buy gasoline –Visit to the Math Lab

8. Math 110: Precalc 18 Reading review for this class: –§ 1.3 - Quadratic Equations –§ 1.5 - Radical and Absolute Value Equations Reading for next class: –§ 2.2 – Functions –§ 2.3 – Graphs of a Function –§ 2.5 - Linear Function & Models