Tuesday 10/31

alg II hp -  Besides our quiz, we did another regression model and also a warm up on increasing/ decreasing.  Took notes on dividing poly.s and hw is p. 177 #7-10.




alg II -   After reviewing the hw, we did a warm up on factoring poly.s and graphing poly.s using end behavior.  Hw is p. 171 #30. 39, 41,,45.



alg I -  We had a WODB about graphs.  We did #1-2 on p. 337 together and then we worked in pairs on p. 339 #6-8, 10.  Finish for hw.

Monday 10/30

alg II hp -  Quiz tomorrow on End behavior, subtracting polynomials, mult poly.s but no Pascal triangle.  Today we started with p. 172 #56 and also 57, 58.  After that there were 8 problems around the room on graphing, solving, factoring polynomials, as well as writing equations from solutions.




alg II -  We had a long class but I think it went very well.  We had a warm up on solving quadratics and graphing polynomials using end behavior.  We partnered up with whiteboards and added, subtracted and multiplied polynomials.  Hw is p. 170  #6, 9, 10, 19.



alg I -   warm up #14; p. 330  #1bc, 3, 4 both due on Friday


period 6: notes on graphing using intercepts and 5 problems for hw instead of above problems.

Friday 10/27

alg II hp -  Despite the short class, we did quite a bit.  Practiced our regression of cubic function using the graphing calc.  We also did #31 in section 4-1 and #46 in section 4-2.  Lastly, we took notes on Pascal's Triangle and did #45 and 46 in section 4-6.  Finish for hw.


alg II -  did a warm up on solving quadratics and Took our pretest on the unit.  No hw.



alg I -  warm up 14 and turned in work.  No hw.

thursday 10/26

alg II hp -  Great day of knowledge!  We worked on writing the polynomial from complex solutions and writing an equation from 3 points (graph calc makes it nice).  Had some whiteboard problems on operations with polynomials and factoring.  Hw is p. 170   # 9, 21, 22, 25.     



alg II -   Got deeper into end behavior with some whiteboard practice (with some factoring).  Hw is p. 162 #14, 17-19, 21, 25, 30.



alg I -  We did warm up 13, a pre test on the new unit, notes on slope and hw is p. 323-24 #2-5

Wednesday 10/25

Very short day but we tried to be as productive as possible.

alg II hp -    We did #9, 10 and did a WODB on end behavior.  We sharpened up our notes on end behavior and added graphing.  hw is p. 162 #27, 28, 33, 37.


alg II -    We had some video/ notes on end behavior and graphing a polynomial.  No hw


alg I -   WE did a math task on squares today and had mid-semester conferences.  No hw.  Task due on Friday though.

period 6 - line of best fit activity due on Friday.

Tuesday 10/24

alg II hp -  Travolta vs. Stallone!  First day of end behavior of polynomials.  We also did #50 on
 p. 195.  Hw is p. 162 #11, 13, 17, 19, 21.


alg II -  reviewed the perf task and test.  Did #50 on p. 195.  Factor practice.  Hw is the 5 factor problems that were on the board.


alg I -  unit test day.  Last day of the graphing unit.

Monday 10/ 23

alg II hp -  We reviewed our unit test from Friday and took our pre-test of the new unit.  Hw is to factor the 5 polynomials that I put on the board.


alg II -  We took our unit test today.  If you missed it, you will make it up tomorrow or when you return.  No hw.


alg I -   We prepared for tomorrow's test on graphing.  We had a line of best fit problem and we graphed many equations using the whiteboards.   Hw is to study using the review guide.

Review Guide for algebra I periods 4-6

There are 10 problems on the unit test on graphing

3- graphing situations

3 - graphing equations

4 - making a scatterplot, finding the equation for a line of best fit, making predictions


Here are some sample problems

1.   graph:  y = -4x + 5
2.  graph:  8x - 2y = 15
3.  graph: y = x^2 - 3x - 7
4.  create a graph for revenue vs. sandwich sales where each sandwich costs $4.50
5.  create a graph for distance vs. time for a runner going up a mountain and then down it.
6.  create a graph for the Pico bus going from Westwood to SM and making 10 stops.
7.  For the scatterplot, go to p. 257 in the book and do #3, 4.

Friday 10/20

alg II hp -- First unit test!  Well done.   New seats on Monday.



alg II -   Performance task on quadratics.  Unit test on Monday.


alg I - More review for our test on Tuesday.  No hw but get ready for the test.  Check out the review guide on another post.

Thursday 10/ 19

alg II hp -  Looks like we had an application on determining if a quad function can produce possible solutions.  Finished with a sorting activity to determine best strategy to solve. 


alg II -  Unit review and quad application problems.  Check out the review guide to prepare for the test.


alg I -   We did another scatterplot, line of best fit, equation activity and added residuals to the mix.  Make sure you finish your parent function sketches by Friday.

Period 2 Alg II quadratics study guide

Looks like we will have 6-8 questions on our quadratics test.

On it, you will show that you can:

solve any quadratic equation - both real and imaginary answers
graph any quadratic equation
solve a quadratic application problem by developing a strategy (table, guess and check, create equation, graph) and find a solution
write an equation given the solutions of the function
be able to graph a function given the transformations to the parent function


Some application possibilities are:

finding the maximum height of a projectile
finding how long a projectile is in the air
building a pen from fencing to hold your elephants and snakes

1. Write an equation that has solutions x = -4, 6
2. solve:  x^2 = -8x -15
3. solve:  y =  2x^2 +19x + 24
4. solve:  x^2 -10x = 11
5. solve:  2(x+2)^2 = 22
6. Find domain and range for y = -x^2 +6
7. graph:  f(x) = -3x^2 + 12x -5
8. How high does a ball go up if its path is modeled by h(x) = -16x^2 + 160x   where x is horizontal distance and h is height.
9.   You have 1,000 feet of fencing to make 2 pens to hold animals.  What is the maximum area you can make from this amount of fencing.

Wednesday 10/ 17

alg II hp -  Big review day for our test on Friday.   We looked a little slow, especially on graphing and factoring.    Check out the guide and you can ask questions tomorrow.  See you then. 




alg II -   Did a bunch of whiteboard exercises to review the unit. Also looked at probelems #58, 60 in the text on p. 128.   Hw is p. 128  #39, 40.




alg I -  Small bit of review from yesterday's handout.  We also took notes on parent functions and did some practice on graphing when you realize that an equation is a parent function.

Tuesday 10/17

alg II hp -  Great job on the performance task!  Lots of discourse, perseverance and algebra.  WEll done.  Practice the problems on the review guide.




alg II -  We did more quadratic applications in preparation for the performance task.  Hw p. 128 #39, 40.





alg I -

Monday 10/ 16

alg II hp -  We looked at writing equations from pure imaginary solutions in a quicker fashion.  We also did problems 1, 2 and 4 on the review guide.  Hw - make sure you are doing the problems on the review guide.


alg II -   We are working on our applications for quadratics.  We did problems in the Holt book  P. 361  #31, 32, 36 and 37.  We started with a warm up on graphing and solving quadratics.  No hw but make sure you can solve quad equations for both real and imaginary solutions.


alg I -  Periods 4 and 6:   p. 200 #8-10


period 5 -  You worked in groups on the handout "  Heartbeats/ Shake it Up.  Have it finished by Friday.

review Guide for alg II HP on quadratics

The test next Friday 10/20 for quadratics should have around 10 problems on it.

Main concepts

being able to find the vertex of a function using algebra (-b/2a)

being able to graph using vertex or standard form
be able to solve any quadratic (R or i  solutions)
be able to write a quadratic given solutions and another point (like y-int.)
be able to write a quad equation from points that are not solutions
be able to do operations with i, including rationalizing the denominator
be able to solve a non-linear system
be able to set up an equation and solve a quad application problem


Here are a few sample problems

1. Write the function for a quadratic with x-intercepts at (6, 0) and (-2, 0) and has a y-int = 3

1. Write the function for a quadratic with the vertex at (-4, 5) containing the point (2, -11).
2. Write an equation that has solutions x = 1/2, 5
3. write a quad function that has solutions x = 2 + 4i, 2 - 4i
4.     (5, -3), (6, 3) and (1, 13) are points on a parabola.  Write the function that would include these points
5. solve:  x^2 = -8x -15
6. solve:  y =  2x^2 +19x + 24
7. solve:  x^2 -10x = 11
8. How high does a ball go up if its path is modeled by h(x) = -16x^2 + 160x   where x is horizontal distance and h is height.
9.  Check out some of the elimination problems in section 3.5 solving non linear systems
10. 10. simplify  (3+i) / (i-9)
11.   You have 1,000 feet of fencing to make 2 pens to hold animals.  What is the maximum area you can make from this amount of fencing.

Friday 10/13

alg II hp -  We tried another quadratic sequence and looked at multiple ways to find a function..  We also took a diagnostic test to see what speed we are operating at.



alg II -  WE did #42-45 in section 3.4.  No hw.   test next week.


alg I -  Quiz on graphing and we turned in work.  No hw.

thursday 10/ 12

alg II hp - We did #69 on page 169 as well as #33, 34.  Took our quiz on solving quads with non integer solutions.  Hw is the 4 "i" problems on the board.



alg II -  Fun day in the library- 2 Desmos games.  Hw is p. 128 #35-37, 42.




alg I -  After we reviewed the Line of Best fir from yesterday, we worked in groups on the 4Situations handout- due tomorrow.

Wednesday 10/11

14 minute classes.  Wow!  We did our best.



alg II hp -  reviewed hw and tried to do a quad sequence.  Quiz Tomorrow.


alg II -  we did p. 118  #69.  Quiz on graphing Friday.



alg I - Went over #2 and 3 from Tuesday.  Did one Line of Best Fit problem.  Quiz Friday so make sure you are ready.

tuesday 10/ 10

alg II hp -  After the hw review, we practiced some quadratic inequalities and then wrote an equation from from complex answers.  Last part of class, we practiced simplifying i and rationalizing a denominator with i.  Hw is p. 151 #3-6, 14.


alg II -  Happy B Day, Keyhan!  Couple of quadratic videos + p/ 118 #68.  Hw is p. 128 #47-50, 59.



alg I -    Today we went over the side 2 of yesterday's handout, the frequency table.  We then did a problem on Bangadesh that required a frequency table.  There were 7 problems posted around the room.  Complete those and turn in on Friday.

Monday 10/9

alg II hp -  We started today by making sure that we know how to simplify correctly a rational/ radical expression.  We also finished the Illustrative activity from Friday using a system.  Last part of class was using the whiteboards to solve and find range of a function.  Hw is p. 136 #17, 18, 34, 60.




alg II - Started off the class with more (again!) practice of applications of quadratics -  finding max height and time it was in the air.  We reviewed the quiz and them took notes on the quad formula.  Hw is p. 127 #5-7.  Try to use the quad formula.


alg I -  We did 2 assignments;  p. 270 #4-6 and a handout on basketball stats.

Friday 10/6

alg II hp -  Today we solved an equation that involved absolute value, took notes on non-linear systems, did #4 and 15 in section 3.5.  Finished class with an Illustrative exercise on writing equations.  No hw but make sure you can simplify a radical especially for imaginary solutions.




alg II -  Besides being Chance's B Day, we also did another "when does it hit the ground?" problem, a kahoot and took out second quadratic quiz.  No hw.





alg I -   Another turn at Graphingstories.com where we graph situations.  No hw but if you are missing recent hw, do it and turn it in ASAP.

Thursday 10/5

alg II hp-   After looking at the hw, we played with  completing the square.  Not neccessary for this unit but will be helpful in conics.  No hw.


alg II -    started with another "how long is it in the air?" problem and then had a kahoot.  Hw is p. 109 #50-53, 65acdf.



alg I -  warm up 8 on graphing;  handout on taking a data set and making a graphical representation.

Wednesday 10/4

alg II hp -  We started by writing an equation using imaginary roots (also had a quad video as well)  In groups, we worked on p. 128 #35-38, 43, 49, 54.  Due tomorrow.



alg II -  We looked at finding the time that an arrow was in the air using its quadratic model.  We finished in groups on p. 109 #39, 40, 55-58, 63in text; finish for hw.


alg I -   We had another warm up on graphing equations and then we worked on a handout on scatterplots (height vs shoe size).  Both due on Friday.

Tuesday 10/3

alg II HP -   Started class with p. 109 #41, 43, 52 on how to work with imaginary numbers    i^2 = -1
  We then took complex solutions and wrote equations that would match them.  Hw is p. 127  #3-6, 20- 21, 29-32



alg II -   We left this world to look at the imaginary universe-whoa!   Notes on 3.2 (imaginary numbers)  Took notes on 3.2  and hw is p. 109 #4-7.  We also looked at p. 101 #65.



alg I - p. 233 #3, 9, 10, 13

Friday 9/29

alg II hp =   3.2 practice and quiz on solving quadratics - scores look good!


alg II -   more 3.1 practice on p. 100 #39-45.  Practice factoring if you need more practice.



alg I -

Monday 10/ 2

alg II hp -  Today was fun!  We were in the library doing 2 Desmos games on quadratics as well as some time on geogebra's 3-d calculator.



alg II -  Thanks to Justin, we had some whiteboard practice on transformations and find solutions.  Finished class with group work on p. 100 #47-53 odds and #56.



alg I -    Today we examined scatterplots and made note of correlation.  We wrote stories and showed what they would look like on a graph.  Finally, hw is p. 258 #6.