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Rational expressions - Computers & Internet

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  • May 11, 2010

    What about 'em? How about rational questions?

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Absolutely.

Posted on Nov 06, 2009

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Which of the following are rational numbers? 2 7 1.6 8 5.111... 9.111...


All are rational numbers. Any integer is such, and the others as written can be expressed as finite fractions ie

168 / 100
5111 / 1000
9111 /1000

If your notation means that the repeating decimal goes on forever eg

5.111111111111111111111111111111111111111..................

Then it still can be rational, as 46 / 9 is, and 82 / 9

Aug 25, 2015 | Computers & Internet

1 Answer

How do I tell wether a number is rational or irrational?


If a number can be expressed as a ratio of two whole numbers then it's rational.
Alternatively, if a number can be expressed in decimal with a finite number of digits or as a repeating decimal then it's rational.

Oct 12, 2014 | Computers & Internet

1 Answer

Is 16.6 a rational number?


Yes. A rational number is a number that can be expressed as the ratio of two whole numbers. In this case, 16.6 is the ratio of 166 to 10 (or 83 to 5). See http://en.wikipedia.org/wiki/Rational_number

Sep 10, 2014 | Harcourt HOUGHTON MIFFLIN HARCOURT...

1 Answer

What can constitutes a rational expression


Haha it's not an expression which shows you are not crazy.

It is a fractional formula in which the top and bottom line are algebraic polynomials, whether low order (like x + 1) or higher order (like 4x^3 + 8x^2 - 7x + 5). See here

http://tutorial.math.lamar.edu/Classes/Alg/RationalExpressions.aspx

Apr 01, 2014 | Mathsoft StudyWorks! Mathematics Deluxe...

1 Answer

Rational number


A rational number is a number that can be expressed as the ratio of two integers. See http://en.wikipedia.org/wiki/Rational_number

Mar 23, 2014 | Computers & Internet

1 Answer

Is 8/3 a rational number


A rational number is a number that can be expressed as the RATIO (see rational) of two integer (whole) numbers. 8 is an integer, and so is 3. The number 8/3 is a RATIO of two integers :it fits the definition of a rational number.

Oct 29, 2013 | Mathsoft Computers & Internet

1 Answer

`What constitutes a rational expression? How would you explain this concept to someone unfamiliar with it?


A rational expression is a ratio of two polynomial expressions.
Example R(x)=P(x)/Q(x) where P(x) and Q(x) are polynomials of the indeterminate x.

Sep 27, 2012 | Mathsoft StudyWorks! Mathematics Deluxe...

1 Answer

• What constitutes a rational expression? How would you explain this concept to someone unfamiliar with it?


A rational number is that number which can take the form a/b where a and b are non zero integers.
The numerator can easily be divided by the denominator and you get an answer which is exhaustive.

For example 2/5 gives 0.4; 3/10 gives 0.333... this is also rational

Nov 17, 2011 | Mathsoft StudyWorks! Mathematics Deluxe...

1 Answer

Can this calculator find the sum of two rational expressions??


All calculators can calculate the sum of two numerical expressions (no letter symbols).
To be able to declare that this calculator can add two rational expressions ( with letter symbols or not) and displays them as a rational expression (result) I would need to know the EXACT Model.

Aug 15, 2011 | Casio Office Equipment & Supplies

1 Answer

Hello, I am in college and I am having trouble with Rational Expressions


Hello,
The first page that a Google search for Rational Expression returned is Paul's Online Notes. Here is the link
Hope it helps

Sep 19, 2009 | The Learning Company Achieve! Math &...

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