Algebra 2H pd 1
Today was the quiz on the last part of Chapter Five.
Extra Credit was given out afterwards.
Remember: To do well in this class means that you have to pay attention in class to the lesson AND do the homework problems that night. In other words YOU have to put effort into this class if you want to do well!
EC Weblog problem.....Explain why using the graphing calculator for graphing data points in quadratic form might be useful .

Geometry H pds 2,4
After reviewing the hw and properties of parallelograms, we went over the proofs on page 170 using parallelogram properties as reasons.
HW Worksheet # 1-9 all # 15 STeps 1-4 only
EC problem Do page 165 # 8 and # 10.

Algebra 2A pd 5
We covered the Remainder Theorem and Substitution Method of evaluating whether a given binomial is a factor of the polynomial. We also reviewed long divison and synthetic division of polynomials.
No hw this weekend!
EC problem Is ( x-6) a factor of (x^3+12x^2-6x+18? Why or why not?

Algebra 2H pd 1
Tomorrow will be the quiz on Curve Fitting a Quadratic equation to fit points and Solving Quadratic Inequalities algebraically. There will also be a parabola inequality to graph and a calculator problem as well.
HW Review Worksheet # 4,7 TOP
# 4,6 BOTTOM
# 7,8 on the BACK
EC Graph the inequality y<(x+4)^2 -3

Geometry H pds 2,4
Today, we started Chapter Five. We went over the definition and the three properties of a parallelogram. You must memorize these four terms.
HW page 169 # 5-10 all and page 170 # 19-21 all
EC problem.....Carefully draw a parallelogram and its two diagonals. Measure each diagonal to confirm that the diagonals are NOT congruent. Also, verify that the diagonal do BISECT each other.

Algebra 2A pd 5
We went over long division and synthetic division of polynomials.
-HW worksheet # 1-4 all, # 9-12-long division method, and # 13-16 - synthetic division method.

Algebra 2H pd 1
After going over some hw problems on curve fitting quadratic equations to data points, we started the next Chapter 5 lesson on Solving Quadratic Inequalities. This seemed like a review lesson to some of you! We also showed how to graph the problems for the solutions.
HW Worksheet # 1-8 all
EC problem.....Use a graphing calculator to find the best quadratic model to represent the following data points: (-5,28), (-2,-1), (1,3) and (3,-11). Write the equation rounding your answers to the nearest hundredth.

Geometry H pds 2,4
Today was the Test on Chapter Four. There was also a multi-angle problem to solve.
No HW tonight! Tomorrow, we will start Chapter Five.
EC problem....Since Chapter 5 is on Quadrilaterals, find real-life examples of quadrilaterals on the Internet. Try to find rhombuses, trapezoids, parallelograms, and rectangles/squares.

Algebra 2A pd 5
We had the Quiz on Complex Numbers otday. Afterwards, an extra credit puzzle worth 10 POINTS was given out. It is due tomorrow at the beginnihng of class.

Algebra 2H pd 1
We went over some of the hw problems on curve fitting with quadratic equations.
HW Worksheet on Curve Fitting # 1,3,5,7, and 8(# 7 and 8 are to be done on the graphing calculator)
EC problem # 6 from this worksheet

Geometry H pds 2,4
Tomorrow is the Quiz on Chapter Four. It will include isosceles triangle problems, overlapping triangles, a multi-angle picture problem, drawing the median, altitude, and perpendicular bisector of a triangle, as well as proofs. Make sure you know the five ways to prove triangles congruent.
Review HW page 162 # 9-14 all and #19
EC problem Draw a right triangle ABC with the right angle at C. From point C, draw the median and altitude. Then draw the perpendicular bisector of side AC.

Algebra 2A pd 5
Tomorrow is the quiz on Complex Numbers. There will be a LOT of problems to do.
HW Review Sheet do #21,24,31,38, and 49.

Algebra 2H pd1
We learned how to write a quadratic equation which contains 3 ordered pairs of numbers. The form is: f(x)=ax^2 + bx +c. We also verified our results on the graphing calculator using a statistics plot with the quadratic equation going through the 3 given points.
HW page 327 # 7, 10, 14 and page 329 # 31 (calculator problem).
EC problem #16

Geometry H pds 2,4
Our Test on Chapter 4 will be on Wednesday. We are reviewing for this important test tomorrow during class.
HW pages 160-161 # 9, 11-16 all, and 18.
EC problem.....Draw a scalene triangle and draw its 3 perpendicular bisectors. Then, using a compass and OA as your radius, draw a circle. Your circle should go through points A, B, and C.

Algebra 2A pd 5
We are reviewing for the next quiz on Complex Numbers. It will be on Wednesday.
HW Review Sheet TOP HALF # 14-19 all, #22-27 all, #29,32,39,44,50, and 54.
BOTTOM HALF # 2, 3, 5, and 6.
EC problem Multiply and Simplify: (3-2i)(5+8i)

Algebra 2H pd 1
Today was the quiz on Complex Numbers and the Quadratic Formula.
Extra credit picture puzzle was given out afterwards.
Happy Thanksgiving!!!!!
PLEASE BRING YOUR CALCULATORS AND BOOKS TO CLASS ON MONDAY!

Geometry H pds 2,4
We learned about medians and altitudes today. The 3 medians of a triangle meet at a point called the centroid (the center of gravity).
HW Find the measurements of the lettered angles in the picture problems on the back of today's classwork. Also, your projects on Polygon Pictures is due on Monday...

EC On a sturdy piece of cardboard or a folder, draw a large scalene triangles. Find the 3 medians of your triangle by measuring each side to get the midpoint. Label your centroid. See if a pen or pencil will balance your triangle at this point.
EC2 Why are two of the three altitudes of a right triangle the actual sides of it?
Happy Thanksgiving!!!!!

Algebra 2A pd 5
We learned how to simplify complex numbers using division.
A Quick Draw was done during class for points.
No HW this weekend! Happy Thanksgiving!!!

Algebra 2H pd 1
Tomorrow is the quiz on Complex Numbers and the Quadratic Formula.
There are 25 questions on it. Be sure to go over how to find the absolute value of a complex number in addition to the problems we reviewed in class.
HW Worksheet 1-10 # 1-8 only + STUDY!!!!
EC problem...Explain why i^2 = -1.

Geometry H pds 2,4
We went over proofs involving overlapping triangles in addition to going over the hw problems.
HW Worksheet # 1-7 all parts!
EC Problem Find the measure of the vertex angle of an isosceles triangle if the base angles are 10 less than twice the vertex angle. Draw a diagram first.

Algebra 2A pd 5
We went over how to figure out the powers of i. They go in cycles of 4.
HW Worksheet 5.9 Study Guide # 1-15 all + #16 i^86 + #17 i^63.
EC problem....Multiply (3-i)(2+7i)(3+i).

Algebra 2H pd 1
We are having our next quiz on Wednesday..It will cover the quadratic formula, the discriminant, and complex numbers. We will review for this tomorrow....
HW Worksheet on Complex Numbers- # 1-24 all
EC problem...Multiply (a+bi)(a-bi)..From your answer, can you make up a rule to use when multiplying conjugates?

Geometry H pds 2,4
You received information on the Polygon Project which is due next Monday, November 26th.
After reviewing the hw on proofs involving isosceles triangles, we went over Lesson 4.5, which has the other ways to prove triangles congruent: AAS and HL(for right triangles only).
HW Worksheet 4.5 # 1-8 all and other worksheet on finding all of the lettered angle measurements in a picture.
EC problem....Explain, in your own words, the difference between ASA and AAS. Draw diagrams to help explain your point.

Algebra 2A pd 5
We went over the lesson on complex numbers. We learned how to simplify, add, subtract, and multiply complex numbers. For multiplying, we used the FOIL method.
HW Worksheet # 1-24 except for #7,8,14,18,23, and 24.

Algebra 2H pd 1
After reviewing the hw problems, we graphed complex numbers, solved some complex number equations, and found out how to find the absolute value of a complex number.
HW page 320 # 18, 22, 26, 42, 44, 50, 52, 56, 58, 64, 82, and 88.
An extra credit picture puzzle on complex numbers was also given out.
It is due on Monday before the start of class. Also, watch the tv show "Numbers" tonight at 10pm on CBS, and write a paragraph summary of the show.
No other ec this weekend.

Geometry H pds 2,4
We went over proofs involving isosceles triangles. Several examples were done in class.
HW Finish the worksheet # 4, 5, and 6.
EC Problem.....Draw an isosceles triangle with the legs = 10 cm. Measure the base angles. Are they congruent? What is their measure?

Algebra 2A pd 5
Today was the quiz on the quadratic formula and discriminant. An extra credit picture puzzle was given out to early finishers. It is due on Monday BEFORE class starts.

Algebra 2H pd 1
After going over all of the hw problems, we learned about the powers (exponents) of i, the imaginary unit. We also went over how to multiply and divide complex numbers. All answers must be in standard form (a+bi).
HW worksheet # 1-17 all (Do not do the graphs, but do the multiplication for # 15-17.
#18 Simplify: -1+4i/2+3i.
EC Problem......What is the product of ( 3-5i)^2? What is ito the 235th power?

Geometry H pds 2,4
After going over the hw paper on finding all of the angles of a complicated picture, we went over Part One of the lesson on Isosceles Triangles. There are 2 basic theorems to Learn: Base angles of an isosceles triangle are congruent + If the base angles of a triangle are congruent, then the sides opposite those sides are congruent. Tomorrow, we will go over proofs!!!!
HW textbook page 136 # 4,5 and page 137 # 1-8 all.
EC problem.... On the internet, find real life examples of isosceles triangles....Bring in to share!

Algebra 2A pd 5
Tomorrow, we will have a quiz on the quadratic formula and the discriminant. Some solutions will involve square roots of negative numbers.
Study the review from the Quick Draw and today's worksheet to prepare for this important quiz!!!!!

Algebra 2H pd 1
After reviewing the quadratic formula hw, we learned about b^2 - 4ac being called the discriminant. This number tells you how many real solutions are in the quadratic equation. It does NOT tell you what those solutions are. We also started the unit on complex and imaginary numbers. We learned the i=sq root of -1.
HW pages 319-320 # 4-7 all, 9, 10, and #38,40,46, and 48.
EC problem....Find out on the internet what mathematician is credited with creating imaginary numbers.

Geometry H pds 2,4
Today was the quiz on SAS, ASA, and SSS postulates as used in proofs. The quiz covered Sections 4.1-4.3.
HW - Try to find the measurements of all angles on the top figure of the worksheet given out at the end of today's class.
EC problem....Explain how to find the measure of the 4th angle of a quadrilateral if you know the measures of the other three angles. Use at least 2 sentences.

Algebra 2A pd 5
We reviewed the quadratic formula and then learned how the discriminant (b^2-4ac) is used to tell you how many real solutions are in the quadratic equation problems.
HW Do the second side of the worksheet we started in class today.

Algebra 2H pd 1
We reviewed the quadratic formula and then went over the formula for finding the axis of symmetry of a parabola (x=-b/2a), as well as finding the vertex of the parabola using this information.
HW Worksheet # 2-12 evens, and # 13-18 all
EC problem.....Solve the quadratic equation 2x^2-3x-5 by using the quadratic formula and by completing the square. Which method is easier? Hopefully you'll get the SAME result.

Geometry H pds 2,4
Tomorrow is the quiz on Section 4.1-4.3. Be prepared to write proofs!
HW Review Worksheet- Do ALL problems....
EC problem.....Find the sum of the interior angles of a 23-gon....

Algebra 2A pd 5
We went over the derivation of the Quadratic Formula, and then did some problems using this formula to solve quadratic equations.
HW Puzzle Worksheet- do all problems....

Algebra 2H pd 1
Today, we derived the Quadratic Formula by using the Complete the Square method.

You are responsible for memorizing the Quadratic Formula. Deriving this formula will be a bonus problem on the next quiz.
HW Puzzle on Quadratic Formula problems...
EC Question Why did we learn how to complete the square before learning the quadratic formula? Which method do you prefer, and why?

Geometry H pds 2,4
We are continuing doing proofs using SSS, SAS, or ASA together with CPCTC.
HW Do # 6,7 on the worksheet we started during class today.
EC problem.....How does being given that M is the midpoint of segment AB help you to prove that AM=BM?

Algebra 2A pd 5
Today was the quiz on Completing the square and factoring.

Algebra 2 H pd 1
Today was the quiz on solving quadratic equations by facotring, taking square roots, or completing the square. We also had to use vertex form for finding the vertex of a parabola.
HW BRING YOUR BOOKS TO CLASS TOMORROW!

Geometry H pds 2,4
We started our unit on writing proofs today. We used SSS, SAS, or ASA to get two triangles congruents, and then proved that some corresponding parts were congruent by CPCTC.
HW Do the three proofs on the worksheet handed out during class.
EC Why do you think knowing how to write proofs in geometry is required?

Algebra 2A pd 5
Tomorrow is the quiz on solving quadratic equations by 3 different methods: using square roots, factoring, or completing the square.
HW Study for this important quiz. Progress report cards are due next Friday!

Algebra 2H pd 1
Tomorrow is our Quiz on most of Chapter Five. Study the notes from yesterday's and today's review.
HW Review page 341 #39, 40 and page 342 # 46, 47, and 50.
EC question.....Why would you solve a problem by completing the square when factoring takes so much less time?

Geometry H pds 2,4
We reviewed SAS. SSS, and ASA postulates for proving triangles are congruent.
HW Worksheet-Do all problems on the work side...
Puzzle on the other side is for extra credit!

Algebra 2A pd 5
We went over the more difficult problems for completing the square in solving quadratic equations.
HW Worksheet # 10,15,16,19.
The Quiz on Friday will cover factoring and completing the square problems.

Algebra 2H pd 1
We started to review for the next quiz, which will be on Thursday. Topics covered include factoring, solving equations by factoring, completing the square, solving equations by completing the square, writing an equation in vertex form, solving equations by taking the square root, the Pythagorean Theorem, and writing the product of 2 factors in quadratic form.
HW page 345 # 1-6, 9-12, and # 14,15. These are sample problems from the Chapter Test.
EC problem.....Find the vertex and graph the following: y= -3x^2 -6x -5.

Geometry H pds 2,4
After going over quiz problems and hw questions, we started lesson 4.2. This lesson is on how to find triangles congruent by using only 3 corresponding parts from each triangle. These methods are: SSS, SAS, and ASA. Check your notes and worksheet to learn what these abbreviations really mean!
HW Worksheet # 1-9 ALL
EC Draw two right triangles with sides 3 cm, 4 cm, and 5 cm. Are these triangles congruent? Measure the angles. Are the corresponding angles congruent?

Algebra 2A pd 5
We reviewed the process of completing the square to solve quadratic equations. We finished the puzzle worksheet in class. The calculator was used to call on students in a random way.
HW Worksheet-Finish # 7-16 all. These are done the same way as they were done in class.

Algebra 2H pd 1
Using the graphing calculator, we saw the relationship between the vertex, width, and direction of the parabolas for the equation y= a(x-h)^2 + k. Hopefully, you were able to follow it all.
We reviewed the steps for completing the square in order to get the vertex form for graphing parabolas.
HW Worksheet--Front side Finish # 9,10.
Back side # 10-15 all
EC problem.....Find the vertex, line of symmetry equation, and direction of opening for the quadratic equation y= 3/4 x^2 -12x +9.

Geometry H pds 2,4
We started Chapter 4 today. It is called Congruent Triangles. Today, we went over the fact that congruent figures have the same size and same shape. Corresponding parts of congruent figures have to matched up exactly.
HW page page 120 # 1-14 all, and # 18
EC problem.....Find examples of congruent figures on the Internet. Bring to class tomorrow.

Algebra 2A pd 5
We reviewed some factoring problems, and then learned how to solve quadratic equations by completing the square method. This works when problems will not factor.
HW puzzle worksheet # 1-7 all