April 4, 2013

4/4/2013

10 Comments

 
Wow, the end is in sight.  Chapter 5 of your text deals with the definite integral.  How would you define definite integral?  When would this be used in "everyday life?"  Be thinking about the processes you go through as you solve problems in this chapter.  The next blog will ask you to write down those processes!!!
10 Comments
Megan Ellis
4/6/2013 11:15:21 am

I think any student, no matter what grade, who has been forced to solve math problems, of any sort, has sat despairingly starring at their paper wondering 'how is this going to help me in real life?' I myself have personally wondered this and because of how much school I have recently missed, am still wondering.
From what I have gathered, definite integrals can be used to find velocity, acceleration, and position. Another interesting application of integrals set a foundation to help predict the future trends of stock or used to help an architect budget the optimal amounts of materials he will need to comply with the budget and size of the building.

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michael
4/10/2013 11:56:32 pm

definite integral is is where you find the area of the curve by using rectangles. i can see people building a bridge for engineering would use this everyday. you can also find area of a slanted curve also.

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Travis Thornburgh
4/17/2013 12:30:52 am

Definite integrals and definite integration are used to find the areas between the curve and the x axis. This is used to determine the area of curves and functions that do not have regular shapes such as half circles and rectangles. This is applicable to everyday life because rarely is there ever a perfect rectangle or triangle or half circle in life. There is generally many different odd shapes in nature.

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Jayce Finnell
4/17/2013 02:02:47 am

Definate integrals are used to find the area of between a curve and the x axis. This is used when there aren't regular shapes such as rectangles.This concept probably could be used in engineering or any other math based profession. Also this probably could be used in everyday life due to the lack of regular shapes in nature. In essence, I pretty much agree with everything anyone has said so far.

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Bailey
4/19/2013 05:36:29 am

I hate this class.

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Katie
4/19/2013 05:38:30 am

Well that's not very respectful.

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Bailey
4/19/2013 05:41:50 am

Shush.

BAILEY :)
4/19/2013 05:41:13 am

From what I can gather, the definite integral is what we use to determine the area between a curve and the x-axis, either below or above the x-axis. There are many ways to solve these integrals, as I am finding out, such as using RAMS! I think you could use these in respect to daily life to find the area of shapes, instead of old fashion methods. Also, as in our test question, we used a chart with velocities and speeds and we found the area and averages using definite integrals!
P.S. The post above that says Bailey was not from me. I am the real Bailey, I promise. And unlike SOME PEOPLE, I'm not mean. Food for thought though Mrs. Walkup...it's very easy to post something under someone else's name!!!

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Katie
4/19/2013 05:45:05 am

I am not really sure how I would define a definite integral. I do know that they are used to find the area between the curve and the x axis. You would be able to use this in every day life to do things such as doing your calculus homework. Calculus is life. Also, you can use this information to help you when you are in a higher level college math class. Like calculus!

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Caitlin
4/19/2013 01:37:12 pm

Definite integrals are used to find the area between the curve and the x-axis. When regular area formulas cannot be used, integrals can be solved to find the area of more complex shapes. This concept can probably be used in everyday life when something is being built or, as Katie said, when doing calculus homework.

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