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When you first arrive in class:

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

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When you first arrive in class:

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  1. 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 Math 110: Precalc 1

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

  3. Exam #1 • This will be on Wednesday, April 18th • This is 1 week from today • Exam will take 1 – 1.5 hours • You will have the entire class period for the exam • You’re welcome to take more time, but we’ll have to move to a different room @ 3:20pm Math 110: Precalc 1

  4. 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. Math 110: Precalc 1

  5. 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 Math 110: Precalc 1

  6. Exam #1:Weekend Study Tips • Go through, and make sure you can answer, step by step, and explain, every question from the In-Class Exercises, homeworks, and book examples on the topics • Make sure that every you can fully answer every single TYPE of question • Not just ‘equations with radicals’, but • Equations with 1 radical ( ) • Equations w/ 2 radicals ( ) • Etc. Math 110: Precalc 1

  7. Today’s Topics • Q+A • Identifying Functions • Pictures, Ordered Pairs, Equations • Functions: Domain, Range • From equations / function notation • From graph • Vertical Line test • Review Linear Equations • Scatter Diagrams • Linear vs. nonlinear relations • Finding the line of best fit (with a TI-83) Math 110: Precalc 1

  8. Reading review for this class: • § 2.2 – Functions • § 2.3 – Graphs of a Function • § 2.5 - Linear Function & Models • Reading for next class: • § 3.1 – Quadratic Function & Models • Exam Review Math 110: Precalc 1

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