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 #1
avatar+130518 
+10

Here's the website I like for Calculus 1.......http://tutorial.math.lamar.edu/Classes/CalcI/CalcI.aspx

If you look under "Class Notes,"   he also presents Calc 2 and Calc 3 notes...

I find that the explanations are thorough, and easily understood......

 

Sep 8, 2014
 #9
avatar+118724 
+5
Sep 8, 2014
 #4
avatar+170 
+8
Sep 8, 2014
 #3
avatar+118724 
+8
Sep 8, 2014
 #107
avatar+118724 
0

Tuesday 9-9-14

*1) Using the web 2 calc to find the equation of a quadratic through 3 given points. (Thanks Alan)

http://web2.0calc.com/questions/how-can-i-use-this-calculator-to-find-a-quadratic-equation-through-given-points

*2) Calculus - Chris has suggested a web site as a self teaching site.  This should be added to our resources.

 http://www.youtube.com/watch?v=O8ezDEk3qCg

*3) I have an unusual method for dealing with ANY rates question.

 http://web2.0calc.com/questions/help-maths-question-i-don-t-get-it

*4) These average speed questions always trick people.  

http://web2.0calc.com/questions/a-car-travels-50kph-from-point-a-to-b-and-travels-40kph-back-what-is-the-average#rr2

5) We need to be very careful to answer the question that is put to us.  We often guess at its meaning but we must not add what is definitely not there.   

http://web2.0calc.com/questions/f-x-x-x-8x-15

6) TheAnswerGuy has given us a web address where he makes "unicodeemicons"  I think some people would be interested in this.  

 http://web2.0calc.com/questions/if-5-ducks-ate-chicken-and-2-died-from-it-how-many-would-be-left

7) Finding the lowest common multiple of a big number.  (Thanks Heureka)

http://web2.0calc.com/questions/find-the-lcm-of-32-84-180

*8) Catesian to polar co-ordinates (Thanks Alan and Heureka)

http://web2.0calc.com/questions/how-to-convert-polar-to-cartesian-and-vice-versa

*9) Co-odinate geometry.  Parallel line and restrictions on co-efficients.  (Thanks Heureka and Demogorgon)

http://web2.0calc.com/questions/assume-that-c-doesn-t-equal-d-and-a-and-b-are-not-both-zero-show-that-ax-by-c-and-ax-by-d-are-parallel-lines-explain-why-the-restri 

 

♬                                        ♬ ♬ MELODY ♬ ♬                           ♫♪ You light up my life ♪ ♫ 

Sep 8, 2014
 #2
avatar+33665 
+8
Sep 8, 2014
 #1
avatar+118724 
+5

First find the slant height of the pyramid

This tutorial will help you.

http://www.sophia.org/tutorials/slant-height-of-a-pyramid--2

 

Now use the area of a triangle formula and multiply it by 4  to find the lateral surface area of the pyramid.  

Sep 8, 2014

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