Saturday, December 20, 2014
All grades for the semester are on Engrade.
Monday, December 15, 2014
Wednesday, December 10, 2014
Review Answers for Semester Exam first semester (chap 1 to 4)
Be sure to grade your own work so you'll be ready to ask questions in class. God bless!
Chap 1, p50, http://batistaalgebra2.blogspot.com.br/2013/08/chap-1-review-p50.html
Chap 2, p110,
http://batistaalgebra2.blogspot.com.br/2013/09/p110-answers.html
chap3, p153, I don't have a link for this, but I'll try to post pictures soon.
chap 4, p228,
http://batistaalgebra2.blogspot.com.br/2013/11/p228-answers-chap-4-review.htmlExam study guide
Study end of chapter tests and previous tests taken. (chapters 1- 4).
Study these problems AND others similar to these.
1- Chapter 1, P50, 3, 9, 12, 18,
26, 27, 29, 32, (more problems similar to these on p47 -50). p79, ex 2 (candle), do check understanding.
2- Chapter 2. P110, 1, 3, 12, 14, 28, 40, 41, (more similar problems on p107- 109).
3- Chapter 3, p153, 10, p160, 3, 5, 10,
4- Chapter 4, P228, 4, 8, 28, 29, 31, More similar problems on p225- 228.
Word problem: You have 20 coins. Some are Dimes (10 cents) others are Nickels (5 cents). Total amount is $1.65. How many are Dimes and how many are Nickels?
Answer 13 dimes, 7 Nickels.
Tuesday, December 9, 2014
Sunday, November 30, 2014
Quadratic regression video
Friday, November 21, 2014
Free Calculator online.
Wednesday, November 12, 2014
Monday, November 10, 2014
videos 4.3 to 4.7
4.3 A, Scalar multiplication, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-529s.html
4.3 B, solving scalar equations, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-530s.html
4.3 C, multiplying matrices, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-531s.html
4.3 D, word problem… http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-532s.html
4.5 A, evaluate determinant, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-537s.html
4.5 B, find inverse matrix, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-538s.html
4.5 C, solving a matrix equation, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-539s.html
4.6, determinant of 3x3 matrix. I don't like the video from the book nor the method of the book. Better taught on youtube.
4.6 A, determinant of 3x3 matrix, from youtube, excellent, much better than the book method. http://www.youtube.com/watch?v=ROFcVgehEYA
4.6 B, How to input and find inverse of matrices on TI -83/84 calculator. Excellent. http://www.youtube.com/watch?v=_fFj4NbLcTU
4.6 C, solving 3x3 matrix with some calculator directions. from the book., http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-541s.html
4.6 D, clip from the movie the Matrix. Neo is first exposed to the Matrix and finds out that there's much more than what he understands of the world around him. http://www.youtube.com/watch?v=frxvwSrertY (by the way, if you like to think about life, this is an excellent movie to spark your mind).
25.5 | 9 | 36.5 | 22.5 | 9 | 28.5 | 14 | 10 | 16.5 | 30 | 18 | 4 | 11 |
5.75 | 4.5 | 6.75 | 5.25 | -4.5 | 7.75 | -3 | 5 | 4.75 | 5.5 | 0 | -2 | 5.5 |
2 | 0 | 1.5 | 1 | -9 | 6.5 | -10 | 10 | 7.5 | 1.5 | -1 | -4 | 2 |
Videos 4.7
4.7 C, applying matrices on word problem, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-544s.html
Thursday, November 6, 2014
hw for 11/06
Wednesday, November 5, 2014
Tuesday, November 4, 2014
Saturday, November 1, 2014
videos and review
P160, Review answers.
3. (1, 3)
5. (3, 8)
6. No Solution
10. graph…
27. (1, 3, 2)
28. (2, -1, 5).
Videos.
Lesson 4.1 (3 videos in this link)… http://phschool.com/webcodes10/index.cfm?fuseaction=home.gotoWebCode&wcprefix=age&wcsuffix=0401
Video 4.2 A… adding matrices, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-524s.html
Video 4.2 B, additive inverse… http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-525s.html
Video 4.2 C, subtract matrices… http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-526s.html
Video 4.2 D, solve a matrix equation. http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-527s.html
Video 4.2 E, find unknown matrix element… http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-528s.html
Sunday, October 26, 2014
videos 3.6
Videos 3.6
A – System of 3 equations, by elimination. .. http://phschool.com/webcodes10/index.cfm?fuseaction=home.gotoWebCode&wcprefix=age&wcsuffix=0306
B – Solving equivalent systems. … http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-519s.html
C – Three equations by substitution…. http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-520s.html
Sunday, October 19, 2014
videos 3.1 to 3.3
Videos 3.1 , watch and copy these problems.
3.1 A, solve by graphing, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-228s.html
3.1 B, Interpret the solution, real world problem, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-229s.html
3.1 C, classifying systems, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-510s.html
Videos 3.2, watch and copy…
3.2 A, solving by substitution, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-231s.html
3.2 B, real world problem, solve by substitution, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-232s.html
3.2 C, solve by elimination, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-233s.html
3.2 D, solve by elimination, multiply first, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-234s.html
Videos 3.3
3.3 A, solving inequality. http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-512s.html
3.3 B, Linear absolute value graphs… http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-513s.html
Tuesday, October 14, 2014
Monday, September 29, 2014
Videos for this week.
Writing equation of a line.
http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-222s.html
Modeling real world data.
http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-502s.html
Using data… http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-503s.html
Alg 2 calculator instructions to graph abs val.
Video… http://www.youtube.com/watch?v=ZZhWbyk81Bs
Example: Graph |2x+3|
• Press [Y=]
• Press [MATH]
• Scroll right to highlight NUM and select 1:abs(
Type the expression…
Press GRAPH
Lesson 2.5 – Copy these problems in your notebook.
Graphing absolute values… http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-504s.html
Graphing on the calculator … http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-505s.html
Lesson 2.6…
(watch and copy 3 videos) >> http://phschool.com/webcodes10/index.cfm?fuseaction=home.gotoWebCode&wcprefix=age&wcsuffix=0601
Classifying polynomials using the degree and number of terms
Modeling data using a linear, quadratic, or cubic model
Modeling data with a polynomial function
Notes…
Alg 2 (bi). Functional family depends on how you define functional. What is your standard? Different preferences/standards lead to disagreements and controversies. Standard should be the Bible.
Blog.
Lesson 2.6
Lesson: Families of Functions
Vertical Translations…
A. Graphing a vertical translation of an absolute value equation… http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-224s.html
B. Writing an equation for the vertical translation of an absolute value equation… http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-225s.html
Horizontal Translations…
C. Graphing a horizontal translation of an absolute value equation … http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-226s.html
D. Writing an equation for the horizontal translation of an absolute value equation … http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-227s.html
Lesson 2.7 : Two-Variable Inequalities
A. Graphing linear inequalities … http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-506s.html
B. Using linear inequalities to solve problems … http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-507s.html
C. Graphing absolute value inequalities … http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-508s.html
D. Writing absolute value inequalities … http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-509s.html
Saturday, September 20, 2014
week of 9/22/14
Copy the "algebra work" shown in each of these videos. Don't copy all the text and definitions on the screen, just the math work that the teacher actually writes during the video. Also answer the questions asked along the way (don't just hit the continue button). Think through it!
Lesson 2.4
Writing equation of a line.
http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-222s.html
Modeling real world data.
http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-502s.html
Using data… http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-503s.html
Alg 2 calculator instructions to graph abs val.
Video… http://www.youtube.com/watch?v=ZZhWbyk81Bs
Example: Graph |2x+3|
• Press [Y=]
• Press [MATH]
• Scroll right to highlight NUM and select 1:abs(
Type the expression…
Press GRAPH
Lesson 2.5 – Copy these problems in your notebook.
Graphing absolute values… http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-504s.html
Graphing on the calculator … http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-505s.html
Lesson 2.6…
(watch and copy 3 videos) >> http://phschool.com/webcodes10/index.cfm?fuseaction=home.gotoWebCode&wcprefix=age&wcsuffix=0601
Classifying polynomials using the degree and number of terms
Modeling data using a linear, quadratic, or cubic model
Modeling data with a polynomial functionThursday, September 4, 2014
Fwd: P 38 answers.
Sent via phone. JP Batista.
From: jbatista@biseagles.com
Date: Sep 4, 2014 11:38 AM
Subject: P 38 answers.
To: postalgebra2 blog algebra2 blog <coachbatista.postalgebra2@blogger.com>
Cc:
Sent via phone. JP Batista.
Tuesday, August 26, 2014
Videos 1.4
Videos for Lesson 1.4.
Solving inequalities.
http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-487s.html
Inequalities with no solutions or All solutions.
http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-488s.html
Monday, August 25, 2014
Videos for lesson 1.4
Videos for Lesson 1.4.
Solving inequalities.
http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-487s.html
Inequalities with no solutions or All solutions.
http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-488s.html
Thursday, August 14, 2014
HW survey
Saturday, May 31, 2014
Old K.A. Extra credit,
Do at least 5 problems in each section. If you miss one feel free to do more problems in order to increase your percentage of "right answers". Your extra points will be based on the percentage of problems you get correct.
Simplifying expressions with Exponents
Manipulating fractional exponents
Fractional Exponents
https://www.khanacademy.org/math/algebra/exponent-equations/fractional-exponents-tut/e/exponents_4
Friday, May 30, 2014
Review answers for the Final
chap 6 -9 review answers + link to all videos
Wednesday, May 28, 2014
Study guide for final exam
HW: Study guide/ review for final
- Ch 5, p 296, 1, 5, 10, 11, 12, 37, 40
- Ch 6, p 356, 1, 10, 11, 22, 32, 33, 34, 38, 39, 40, 41 bonus.
- Ch 7, p418, 7, 8, 18, 36, 37, 39, 42,
- Ch 8, p472, 8, 9, 16, 17, 28, 29,
- P470, 32- 35, 48, 49.
practice these problems. Once you finish, go back and find other problems similar to these and practice those. Study hard!Surveys for PE and Math classes.
Students please click on the links below and fill out the surveys. Thank you for your input! Coach Batista
PE end of year survey.
https://docs.google.com/forms/d/1OT0hbJ2GKf4NxeONSL3PzGk-XcX06Y38ACL2OMMjylk/viewform?usp=send_form
Math end of year survey ( for JH and HS only) . https://docs.google.com/forms/d/1_QuAGVc4kjw0XRNTRZUC606wX9hYjA3Qt1xFENHog2Y/viewform?usp=send_form
Tuesday, May 27, 2014
KA extra credit
Khan Academy Extra Credit (optional).
Get 5 correct in a row or do 10 (or more) problems total. You extra points will be based on the percentage of problems you get correct. Let me know that you've done this so I can check...
Operations with logarithms, https://www.khanacademy.org/math/algebra2/logarithms-tutorial/logarithm_properties/e/logarithms_2
Tuesday, May 20, 2014
Sunday, May 18, 2014
videos 8.2 to 8.6
Lesson 8.2
A. Translating exponential functions... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-619s.html
B. Use exponential functions to solve problems... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-620s.html
Lesson 8.3
A. Evaluate logarithms... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-621s.html
B. Using logarithms ... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-622s.html
Lesson 8.3 part 2
C. Graphing a logarithm... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-623s.html
D. Graphing logarithm using a translation.... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-624s.html
Lesson 8.4
A. Simplify logarithm... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-625s.html
B. Using logarithms to model sound... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-626s.html
Lesson 8.5
A. Alg 2 link to Regression on calculator ti-83. http://school.lardbucket.org/math/calculator/regression.php
B. Solve exponential equations using properties... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-627s.html
C. Solve using a graph... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-628s.html
D. Solve using tables... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-629s.html
E. Solve using change of base formula... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-630s.html
F. Solving log equations (good video – shows many methods) ... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-631s.html
Lesson 8.6
A. Solving natural logs... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-632s.html
B. Solving natural exponentials... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-633s.html
Tuesday, May 13, 2014
videos 8.2 to 8.6
Lesson 8.2
A. Translating exponential functions... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-619s.html
B. Use exponential functions to solve problems... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-620s.html
Lesson 8.3
A. Evaluate logarithms... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-621s.html
B. Using logarithms ... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-622s.html
Lesson 8.3 part 2
C. Graphing a logarithm... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-623s.html
D. Graphing logarithm using a translation.... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-624s.html
Lesson 8.4
A. Simplify logarithm... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-625s.html
B. Using logarithms to model sound... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-626s.html
Lesson 8.5
A. Alg 2 link to Regression on calculator ti-83. http://school.lardbucket.org/math/calculator/regression.php
B. Solve exponential equations using properties... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-627s.html
C. Solve using a graph... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-628s.html
D. Solve using tables... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-629s.html
E. Solve using change of base formula... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-630s.html
F. Solving log equations (good video – shows many methods) ... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-631s.html
Lesson 8.6
A. Solving natural logs... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-632s.html
B. Solving natural exponentials... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-633s.html
Thursday, May 8, 2014
Tuesday, May 6, 2014
Sunday, May 4, 2014
Review and videos
7.4 to 7.8 Review.
Put these answers on Engrade. Link to view WS, https://docs.google.com/document/d/10RYU_lsj7sWjuyLIQAoWPOwxZiWqNuDbt5ELKr-JfqY/edit?usp=sharing
Lesson 8.1 part 1
Graphing exponential growth... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-615s.html
Modeling exponential growth.. http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-616s.html
Lesson 8.1 part 2
Graphing exponential decay... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-617s.html
Modeling exponential decay... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-618s.html
Lesson 8.2
Translating exponential functions... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-619s.html
Use exponential functions to solve problems... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-620s.html