Thursday, October 25, 2012

Answers to Worksheet 4.1 to 4.4

 

Answers to Worksheet 4.1 to 4.4























Sent from JP's iPhone

Review videos for Chapter 4 quiz.

 For the quiz tomorrow (10/26/12) watch these videos and PRACTICE the worksheets you have. You should also keep these worksheets to study for the Chapter test that we will have soon.
Lesson 4.3 and 4.4 seem to be the hardest. Here are some helpful videos. Also check out the answers to the problems below to make sure you are doing it correctly! If you are getting wrong answers you need to go back and check your work!
 
Lesson 4.2, solving equations with variables on both sides. http://www.youtube.com/watch?v=b2n6idAkwMQ&feature=related  or this next one with more challenging examples.
Lesson 4.3, absolute value equations.
-       Watch the first 5 minutes of this one, http://www.youtube.com/watch?v=u6zDpUL5RkU  
-       This one is a GREAT example. http://www.youtube.com/watch?v=jaizi_1IB5c&feature=relmfu
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Lesson 4.4, solve for a variable
-       Great video - http://www.youtube.com/watch?v=dOEvqLnd0lQ
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Lesson 4.5, solving and graphing inequalities…http://www.youtube.com/watch?v=AjZzACaeIco&feature=related

other videos if you would like... : )

-       Lesson 4.1, cross multiply http://www.youtube.com/watch?v=yyecf1kxNhE
-       Lesson 4.2, Solving equations with variables on both sides, http://www.youtube.com/watch?v=xMsG9hvqzbY
-       Lesson 4.3, absolute value equations, http://www.youtube.com/watch?v=u6zDpUL5RkU or this next video for a more complex example. http://www.youtube.com/watch?v=jaizi_1IB5c&feature=relmfu
-       Lesson 4.4, solving for a variable or transforming formulas, http://www.youtube.com/watch?v=Aig1hkq3OsU
-       Lesson 4.5, solving inequalities, http://www.youtube.com/watch?v=a0-q0FUZ11o
-       Lesson 4.6, solve inequalities with fractions. For this lesson all you need to do is cross multiply then solve just like on lesson 4.5 .