Math 9, Lesson 16, Fall 2017, 1/21/2018

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We have final exam for Fall semester. I will send out the graded paper this week.

We will start Spring semester next Sunday.

 

Algebra 2, Lesson 16, Fall 2017, 1/21/2018

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We covered more topics on sequence and series, with focus on telescoping technique.

This also wraps our one-year teaching.

 

Algebra 2, Lesson 15, Fall 2017, 1/14/2018

Weidong Posted in Algebra 2, Fall 2017, Teaching info
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We finish Chapter 16 by studying floor function applications.

By finishing Chapter 16, we have completed our regular schedule for this year. Since we have some extra time, I will go into Chapter 17.

We also start Chapter 17 on more sequences and series and study recursive sequences.

 

Math 9, Lesson 15, Fall 2017, 1/14/2018

Weidong Posted in Fall 2017, Math 9, Teaching info
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This is a review lesson. We will have our final exam next Sunday.

Students should review what we have learned this semesters by going over their homework.

 

Algebra 2, Lesson 14, Fall 2017, 1/7/2018

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We study graphs for absolutes and floor and ceiling functions.

 

Math 9, Lesson 14, Fall 2017, 1/7/2018

Weidong Posted in Fall 2017, Homework, Math 9, Teaching info
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We review the properties of circles.

In the symmetry properties category, we have the following:

  • Equal chords are  equidistant from the center;
  • The perpendicular bisector of a chord passes through the center;
  • Tangents from an external point are equal in length;
  • The line joining an external point to the center bisects the angle between the tangents

In the category of angle properties, we have:

  • Angle in a semicircle is a right angle;
  • Angle between tangents and radius is a right angle;
  • Angle at the center is twice the angle at the circumference;
  • Angle in the same segment are equal;
  • Angle in opposite segments are supplementary.

Homework:

Page 0Page 1Page 2Page 3

#2, #4, #6, #8, #10, #12, #14, #16, #18

Math 9, Lesson 13, Fall 2017, 12/17/2017

Weidong Posted in Fall 2017, Homework, Math 9, Teaching info
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We review Angles, Polygons, Congruence, and Similarity.

We won’t have school until 1/7/2018. Have a wonderful holiday season!

 

Homework:

#5 – #20 from the 4 pages below:

Page1Page2Page3Page4

Algebra 2, Lesson 13, Fall 2017, 12/17/2017

Weidong Posted in Algebra 2, Fall 2017, Teaching info
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We study piecewise defined functions and absolute functions.

This is the last lesson in 2017 and we won’t meet until 1/7/2018. Have a wonderful holiday season!

 

 

Algebra 2, Lesson 12, Fall Semester, 12/10/2017

Weidong Posted in Algebra 2, Fall 2017, Teaching info
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We study even and odd functions, as well as monotonic functions. We finish Chapter 15.

Math 9, Lesson 12, Fall 2017, 12/10/2017

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We review Set Language and Matrices.

A set is a well-defined collection of distinct objects. We talk about how to describe a set, the concept of an element, a subset, when two sets are equal. We also talk about the universal set, the empty set, the complement set for a set, the set union and intersection operations.

We talk about the Venn diagram to represent sets.

We also go over some more practice with matrices.

Homework: From the three page2 below: #1 – #5, #11 – #14, #15 – #17

Page 1Page 2Page 3