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HOW CAN I Simplify on a rational expressions on a TI36XPRO

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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

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

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

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How do I simplify radical expressions with fractions on a TI-nspire cx cas


If the results' display mode is set to exact, the calculator will give you exact results.This means that if the result has radicals you will obtain a rationalized expression: any radicals left will be in the numerator. This is the default behavior of the calculator when display mode is st to EXACT. There are no more simplifications to perform.
However (because I am not certain what you mean by simplification) I will add that if any number in your calculation has a decimal mark, the result will be given in its decimal representation. (Is this what you mean by simplification.
Further, if you do not care for exact result switch the display mode to APPROXIMATE.
I am enclosing a screen capture to show you what happens.
812cf04f-f97b-43e1-9838-c1e40e224b93.jpg

Sep 11, 2013 | Texas Instruments TI Nspire CAS Graphing...

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

Simplifying radicals on fx-115ES


If your calculator is SetUp for Math Input/Output (MATHIO), a result that gives a radical will remain in radical form. If a radical appears in a denominator the whole expression is rationalized: Any radical left is put in the numerator. 1/Sqr(3) is displayed as Sqr(3)/3.

Feb 01, 2012 | Casio FX-115ES Scientific Calculator

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

4 Answers

Just simplify this rational algebraic expression 16a^2-8a 1/4a-1


16a power of 2, -8a,),,(1/4a-1) are these two prolems polynomials, to be multiplied togethor? is 4a to the third power-18a squared+8a, used the distributive property
Michael

Oct 04, 2010 | Mathsoft StudyWorks! Mathematics Deluxe...

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 &...

1 Answer

Variables


Hello,
This calculator cannot handle symbolic algebra.
Use the rules to simplify the expressions: Get rid of the parentheses using distributivity od multiplication with respect to addition; group similar terms (terms with x, terms without x).
Hope it helps.

May 07, 2008 | Casio FX-115ES Scientific Calculator

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