Algebra 2B pds 1,2
We finished the word problems section today by going over the investment and rate problems. Hopefully, all of you are understanding the concepts involved in these problems!
HW page 250 # 9,11 and page 251 # 21,23

EC problem....It takes a boat on a river 2 hours to travel 28 miles downstream and 3 hours to travel 30 miles upstream. What is the speed of the boat and the current of the river?


Geometry H pds 3,5,6
It is obvious that some of you did NOT review the work we went over in class on Thursday (yesterday). The quiz was given today, and students missed problems that were almost identical to the ones we did in class the day before.
No homework this weekend! BUT....you should start working on your Op Art Projects, which are due on Wednesday!!!!!
EC Find the interior angle sum, exterior angle sum, and the measure of each interior and exterior angle of a regular dodecagon (12-gon).

Algebra 2H pds 1,2
We are continuing our journey of learning different types of word problems with 2 or 3 variables. Today, we covered coin problems and mixture problems.
An example of each type of problem was demonstrated as classwork.
HW pages 250-251 # 15,17,25,27 and
page 226 # 4.
EC problem...The sum of three numbers is 20. The first number is the sum of the second and the third. The third number is three times the first. Find the numbers.
(There will be some negative answers.)


Geometry H pds 3,5,6
Tomorrow is the big quiz on Angles of a Triangle, and the Angles of a Polygon. Memorize the formulas!!! Learn all of the triangle vocabulary as well. Remember that the sum of the exterior angles of any polygon = 360, and each exterior angle of a regular polygon = 360/n.
HW Study and be prepared for the quiz.....Most questions will be similar to the problems we went over in today's class.

EC Question...How will you prepare for tomorrow's quiz? Answer in at least 4 sentences.

Algebra 2H pds 1,2
After reviewing the hw on systems of equations in 3 variables, we went over a system with fractions. Then, we started the section of chapter 4 on Applications (word problems). We went over examples on number word problems and ticket word problems.
HW page 226 # 29,21
page 250 # 3,5,7

EC problem....John has 20 coins totaling $3.20. If he has only dimes and quarters, how many of each coin does he have?



Geometry H pds 3,5,6
Today, students received the information for the next project due on Wednesday, November 5th. It is on Op Art (Optical Art). All projects must be done on solid white paper.
We also started our review for Friday's quiz. Worksheets were given out, one for classwork and one for homework.
HW Worksheet # 1-7 all

EC problem....If each interior angle of a regular polygon= 150, what is the name of the polygon?

Algebra 2H pds 1,2
After going over most of the hw problems, we learned how to solve a system of equations in 3 variables with each equation containing just 2 variables.
You must be highly organized to correctly do these problems!
HW page 226 # 3,7,10,17, and 19
EC problem.....#24

Geometry H pds 3,5,6
Half the class took the District Quarterly Test for Geometry. Students worked on a vocabulary worksheet which explained the definitions of terms with similar prefixes to the polygons we have been studying.
HW Finish the vocabulary worksheet if not finished in class.
EC problem....Solve for z, y and x in this multiplication puzzle:

yx (yx times 7 = zxx)
_7_
zxx

Halloween Week

Algebra 2H pds1,2

We learned how to solve systems of equations in three variables. systems may have one solution, no solution, or no unique solutions.
Examples of all three types of solustions were discussed during class.
HW page 226 # 1,5,9,13, and 15. Please check your answers (in the back of the book) AFTER doing each problem.

EC problem.....# 30 (Has no fractional answers)-If done correctly, I will give more credit for this problem!

Geometry H pds 3,5,6
The geometry quarterly exam was given to all students who did not attend the field trip. Everyone else will take the quarterly tomorrow. If there is not enough time to finish, you may come back at lunch or after school to finish.
No hw due to the quarterly test.
EC question....Why do you think the school district requires all geometry students to take the same quarterly test? Answer in at least three sentences.

Algebra 2H pds 1,2
Today was the Pep Rally, which meant that all classes were shorter in length.
We managed to go over the Substitution Method for solving systems of equations.
This is when you substitute an expression for one of the variables in order to solve for both answers.
HW page 219 # 31,39,41,45,29.
EC problem...What is 10 percent of 90 percent of 80 percent?

Geometry H pds 3,5,6
Classes were shorter due to the Pep Rally today.
We reviewed the formulas for finding the sum of the interior and exterior angles of any polygon. Sum of the interior angles = 180(n-2)
Sum of the exterior angles = 360.
Each exterior angle of a regular polygon = 360/n.
HW Worksheet--Do ALL questions. It will be collected on Monday.
EC problem....Given the initial letters of the missing words, complete this sentence:
There are 180 D in a T.

Algebra 2H pds 1,2
After reviewing the hw briefly, we learned about the elimination method for solving systems of equations.
HW page 219 #11,15,19,23, and 27.

EC problem page 220 # 62.

Geometry H pds 3,5,6
After reviewing the hw on triangles, we learned about the sum of the interior and exterior angles of any polygon. We also went over the terms convex and concave polygons. Also, we learned that regular polygons are both equilateral and equiangular. Each interior angle of a regular polygon = 180(n-2)/n. Each exterior angle = 360/n. The sum of the exterior angles of any polygon = 360.
HW Worksheet---Do ALL problems.

EC problem...Draw a hexagon. Label its interior angles 120,130,110,140,100, and 120.
Draw the 6 exterior angles. Find the measure of each exterior angle. Find their sum.

Algebra 2H pds 1,2
Today, we started Chapter 4, which is on Systems of Equations and Inequalities.
We worked through several problems involving the graphing method of solving 2 equations in 2 variables.
Most of us graphed these equations on the graphing calculators. When I checked the calculators 2nd period, I discovered to my dismay that several calculators had obscene messages on them. Who could be the guilty party?
HW page 219 # 1-9 odds
EC question...Graph the system 6x - 2y = -10
6x + 3y = -15. Name the solution.

Geometry H pds 3,5,6
Today, we worked in groups on a lesson called Amazing Amanda. It involved the formula for finding the sum of the interior angles of any polygon.
HW page 161 # 11-18 all

EC problem....Find the sum of the interior angles of a 26-gon. Show your work.

Algebra 2H pds 1,2
Hopefully, everyone did well on the quiz today.
EC puzzle was given out to everyone...
No other ec tonight!

Geometry H pds 3,5,6
We reviewed the hw problems, and learned how to figure out the sum of the interior angles of a quadrilateral and pentagon.
HW Worksheet on Angles of a Triangle-both interior and exterior. Do all problems # 1-18.
EC problem...
The exterior angle of a triangle is 4x+36. The two remote interior angles are x+20 and x+38. Find x and the value of each angle. Draw a picture for this problem.

Week of October 20th

Algebra 2H pds 1,2
Tomorrow is the quiz on Sections 3.5-3.7. To do well, you must understand ALL problems from today's practice test (we went over every problem in class).

EC---Explain in detail how you will prepare for tomorrow's quiz. Be specific.

Geometry H pds 3,5,6
Today, we learned that the sum of the 3 angles in any triangle = 180 degrees.
We also learned about the exterior angle and remote interior angles of a triangle. The exterior angle= the sum of the 2 remote interior angles.
HW pd 3 pages 150-151 # 2-28 evens Copy # 24,26
pds 5,6 Worksheet Do ALL problems.

EC In a triangle, one angle = 3x+8, another angle = 2x-2, and a third angle =5x+4. Find x and the measure of each angle.

Algebra 2H Pds 1,2
After going over the hw problems, students received the practice test to prepare for Tuesday's quiz on Sections 3.5-3.7.
This practice test is the hw assignment for this weekend.
EC problem....If f(x) = 2x-5 and g(x) = 3x^2 +1, find g(f(x)).

Geometry H pds 3,5,6
Today was the surprise quiz on parallel line and the special angles created by them and their transversal. All student must MEMORIZE the relationships between parallel lines and alternate interior angles, corresponding angles, and same-side interior angles.
NO HW this weekend!

EC problem....Draw a map of our school's location, showing that Hollywood and Sunset Boulevards are parallel and cut by Highland Avenue as a transversal. Include Orange St as well...

Algebra 2H pds 1,2
We went over Lesson 3.7 in class. It is on Composition of Functions, in which the output of the first function becomes the input for the second function.
HW pages 190-191 # 3,7,11,15,19,23,27,33,39,43,47, and 51.
EC problem....page 190 # 36.

Geometry H pds 3,5,6

Today, we learned the converses of our previous lesson on parallel lines and corresponding, alternate interior, and same-side interior angles. This time the angles are congruent first, and then we say which lines are parallel.
HW Worksheet # 2-13 all

EC problem...On the internet, find real life examples of parallel lines and transversals.

Algebra 2 H pds 1,2
We used the graphing calculator to find the intersection of two equations related to the volume and surface area of a sphere. On your next quiz, you will do a similar problem using the calculator.
No hw due to the shortened day schedule.
EC problem....Did the graphing calculator help you to better understand the concepts of graphing equations and functions? Why or why not? (Answer in at least 3 sentences.)

Geometry H pds 3,5,6
We went over the hw puzzle during class, reviewing the concepts of alternate interior, corresponding, and same-side interior angles as related to parallel lines being cut by a transversal.
HW textbook page 132 # 23,24,and 25.

EC problem.....How many four-letter words can you find in the word "twinkle"? (Try for at least 15.

Algebra 2H pds 1,2
We finished Lesson 3.6 today. We learned about combining functions like f(x) and g(x).
HW page 183 # 27-49 odds
EC problem.....If you wrote down all the numbers from 5 to 83, how many times would you write the number 4?
Good luck on the PSAT tomorrow!

Geometry H pds 3,5,6
We went over the quiz as well as the hw problems.
HW Puzzle worksheet on Parallel Lines with corresponding, same-side interior, and alternate interior angles.

EC problem....If you wrote down all the numbers from 5 to 83, how many times would you write the number 4?
Good luck on the PSAT tomorrow!

Week of October 13th

Algebra 2H pds 1,2
After going over the hw on graphing absolute value functions and parabolas with domain and range, we started lesson 3.6 on Function Notation. F(x), read "f of x" means the same as Y.
HW page 174 # 26,36
page 182 # 1-23 odds.

EC problem...page 183 #54 (easy one!)

Geometry H pds 3,5,6
We started Chapter 3 today. This Chapter is on Parallel Lines. Today, we covered most of lesson 3.1-we learned about corresponding angles, alternate interior angles, same-side interior angles and alternate exterior angles.
If a transversal intersects two parallel lines, then alternate interior angles and the corresponding angles are congruent to each other. The same-side interior angles are supplementary.
HW Worksheet # 1-15 all
EC problem---On your own paper, draw two parallel lines with a transversal. Put in numbers for the 8 angles formed. Name all pairs of a)corresponding angles
b) alternate interior angles
c) same-side interior angles.
Measure your angles with a protractor. Do your answers match the postulates and theorems we learned in class today?

Algebra 2H pds 1,2
Today, we explored functions on the graphing calculator. We graphed a parabola and the absolute value function. We also went over how to write the domain and range for these functions.
HW pages 173-174 # 21,22,24,25,29,33, and 35.
EC problem # 44.

Geometry H pds 3,5,6
Today was the quiz on constructions and most of Chapter two.
EC was given out after the quiz. It is due before class starts on Monday.
Have a great weekend!

Algebra 2H pds 1,2

After going over the hw problems on domain and range of relations and functions, everyone wrote out and answered problem # 38 on page 174. Your work will be examined by other math teachers at our department meeting next Tuesday. I will also grade your work as well.
No hw-Enjoy the day off!

EC (Brain teaser) problem....Find a five-digit number is which the first and the last digits are the same and the first digit is two less than the second and four less than the third. The fourth digit is one-fourth of the third digit. The sum of the first and last digits equal the third digit.

Geometry H pds 3,5,6

After admiring the Daisy Design projects, we reviewed Chapter two for the quiz on Friday. The quiz will cover our two constructions (angle bisector and perpendicular bisector) as well as the Laws of Detachment and Syllogism, conditional, converse, bi-conditional, and properties of algebra.
HW Review for Friday's quiz....Go over all worksheets...

EC--- Explain in at least four sentences how you will prepare for Friday's quiz. Be specific.

Algebra 2H pds 1,2
Today, we started the part of Chapter 3 on Functions. We learned zabout the domain and range of a function. We also found out that not all ordered pairs (relation) are functions. The domain can NOT repeat.
HW page 172 # 1-8 all
page 174 # 37.

EC problem...Is y=x^2 a function? Why or why not?
Is x=y^2 a function? Why or why not?

Geometry H pds 3,5,6
We went over the properties from algebra that will be used in future geometric proofs. They are listed on page 103 of your textbook.
HW Worksheet 2.4 Do all problems.
Your Daisy Design projects are due tomorrow!!!

EC problem....Write the two statements that form this biconditional:
Two lines are parallel if and only if they are coplanar and do not intersect.

Week of October 6

Algebra 2H pds 1,2
Today was the quiz on linear equations with graphing. I hope everyone did well!
HW Puzzle on using the slope formula. This will be collected, so please do your very best job!
EC problem....Find the equation of the line perpendicular to 2x+5y=10 and containing the point (3,-5).

Geometry H pds 3,5,6
After going over the hw, we did some more work with the Law of Detachment and the Law of Syllogism. We started Section 2.4 as well.
HW Page 100 # 1-10 all-This is a review of all of the Chapter 2 work which will be on your next quiz (Friday).

EC problem.....Write the following sentence in If-Then form...
All baseball players do 100 push ups every day.
If you know that Mickey Mantle was a baseball player, can you make a conclusion? Why or why not?

Algebra 2H pds 1,2

Today was the debut of my new "ELMO" in class. We reviewed for Monday's quiz on Lessons 3.1-3.4. Please go over the problems this weekend, especially if you had difficulty during the class review.

EC problem....Graph 3x+4y<12 and x-4y>6 on the same set of axes. Shade the common intersection.

Geometry H pds 3,5,6
The "ELMO" made its debut in today's class. We went over the hw and lesson 2.3 on the Law of Detachment and the Law of Syllogism.
HW Worksheet 2.3 # 1-12 all

EC problem. All cows eat grass. Elsie eats grass. What conclusion, if any, can you make?
All cows eat grass. Elsie is a cow. What conclusion, if any, can you make?
Which law did you use to answer these questions?

Algebra 2 H pds 1,2
We are currently reviewing for our third quiz on graphing and linear equations. The quiz will be on Monday,
HW Review Practice Test # 1-14 all
EC Write 2 equations that will graph into perpendicular lines. Graph your equations.

Geometry H pds 3,5,6
Today, we learned how to write conditional and converses (must both be true) into biconditional statements. Good definitions of geometric terms can always be written in this form.
HW Worksheet 3.2 # 1-15 all
EC problem- Coplanar points are points that lie in the same plane.

Write this definition as a conditional. Then, write its converse. If both statements are true, then write the biconditional as well.

Algebra 2H pds 1,2
After going over the hw on linear equations and graphing, we reviewed how to graph linear inequalities by graphing the boundary line first and then shading the appropriate section for the inequality.
HW pd 1 page 163 # 2,6,10,18,26,36, and 38.
pd 2 page 163 # 2,6,10,14,18,22,30, and 38.

EC problem....Graph the inequality x/3 +y/4 > 1

Geometry H pds 3,5,6
After going over the requirements for the Daisy Design project, we started Chapter Two. We learned about conditional statements, and how to write them in if-then form. We also learned how to write the converse of a conditional statement.
HW Worksheet # 1-21 all

EC problem....Write the following sentence in if-then form:
All cows eat grass.
Next, write the converse of your conditional statement. Is it true or false? If false, provide a counterexample.