--109. When a rational algebraic expression is subtracted fromother rational algebraic expression?the result isx-5What is thec.A.4D.B.

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Answered: 9. When a rational algebraic expression…

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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(а) — 122 (b) 10 18 (c) 0 (d) 14 (e) V25 (f) /31 (g) 81 From the list above, determine the corresponding letters of the numbers that are (a) rational: (b) irrational: (c) integers: | or write none if no such numbers exist. Separate multiple answers by commas. Hint: Don't forget to simplify if you can! For example, = 3 or V4 = 2.
Suppose you divide a natural number n by a positive rational number less than 1. Will theanswer always be less than n, sometimes less than n, or never less than n? Why?
a). Calculate the star-height of the rational expression R = ((a*b)* ba*)* . b). What is the star-height of L( R)? c). Describe L( R). d). What is the extended star-height of R? e). Write a star-free expression for
2. Select all expressions that can be subtracted from 9x to result in the expression 3x +5. A. -5 + 6x B. 5- 6x C. 6x + 5 D. 6x – 5 E. -6x + 5
5. Which represents a rational po number? v24 v20 v25 O v37 6. What property of real 1 pc number is a+(-a) = 0? a. Additive property O b. Additive inverse O c. Associative Property of Addition d. Commutative Property of Addition
4. State whether the given values are rational or irrational: 3. Brod convertedto a decimal, and his result was a repeating decimal. Does this mean that the value is rational or irational? Explain your answer. 0. 3.4567 b. 3.4567... C. 3.4567
9. In the expression shown, r represents a rational number. 6r What value ofr makes the expression equal to a number greater than 6? (TEKS 6.3B, SS, RC2) A. 2 3 C. 8 D. 3 2 HIN B.
In this problem, you will be a math detective! Some of the symbols and functions may not be familiar to you, but with a little digging, reading, and observing, you'll be able to figure them out. Your task is to simplify the following expression as much as possible, without using a calculator (either hardware or software). Do not approximate. Express all values as integers (not decimals) and all rational numbers as improper fractions. n r Σ 9. ,n > 0 S(n) r=-9 S(n) = symbolic expression

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9. When a rational algebraic expression is subtracted from other rational algebraic expression? --10 the result is What is the A. D. В.