# Key to Algebra Book 6 Multiplying and Dividing Rational by Julie King, Peter Rasmussen

By Julie King, Peter Rasmussen

Too many scholars finish their examine of arithmetic sooner than ever taking an algebra path. Others try to examine algebra, yet are unprepared and can't sustain. Key to Algebra used to be constructed with the idea that anybody can research uncomplicated algebra if the topic is gifted in a pleasant, non-threatening demeanour and anyone is on the market to aid while wanted. a few academics locate that their scholars profit by means of operating via those books sooner than enrolling in a standard algebra course--thus drastically improving their possibilities of good fortune. Others use Key to Algebra because the simple textual content for an individualized algebra path, whereas nonetheless others use it as a complement to their ordinary hardbound textual content. enable scholars to paintings at their very own speed. the main to Algebra books are casual and self-directing. publication 6 covers Multiplying and Dividing Rational Expressions.Format: PaperbackPublisher: Key Curriculum Press

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**Extra info for Key to Algebra Book 6 Multiplying and Dividing Rational Expressions**

**Example text**

Makea is commutative andassociative? ) to simplify Z -3 8 = -3 2 3 = 3 6. r+'-+= -5 7 l+= 2 x -6 3x+12 r+&l x 2 v T R r- 3 2q- 6 . * lL r - 3 Y r ( ' 4x 3y x':61 . x2*4rt+4 x+Z x L + 7 t ,- 8 xz+4a+4 . xz-6tl = xa+7rt-8 t+2 z 3 =#'g=? +)= 1 ( q2 8 \ l 6 ( * g ) . ( ' * ) = s ( i ' +=) ( sz ) ' l= lx*3 x-3\ | \x-? x"Zlx x + 3l r - 3 x-2 \ x+2 I 28 - - - I t\ x I 01990 by Key CurriculumProjocl, Inc. Do not duplicats wilhout p€rmission. ) aren'tenough associative too. Useit to dotheseproblems. TheDistributive Principle worksfor rational expressions, r t' 5 l n l l * 1 \ = '-'\3 )Z'Z+)Z'2 2t - | r 2 \ 20lt*6)= = + + 6 - -f O 1 8 ( i4- ) = 2 q ( ; .

Besureyouransweris in simplest by ;}. eachexpression 5. Multiply g x2-4 t2-4 ffi T T T x2+4 x2+4x r+2 4x-2 41 Y' x ' x x2+3x 2Y T f f i 7. Copyandcompleteeachstatement. Multip|yingov}givesthesameanSWerasdividingby-. by-' Dividing by 4 givesthe sameansweras multiplying anotherway. in problem7 to writeeachof theseexpressions 8. Usethe statements lp'-z) + + lazgz g. Thenusethe Distributive as a multiplication P r i n C i p l et O m U l t i p l y . Explain. Principle 10. ls therea Distributive Projscl, Inc.

Multip|yingov}givesthesameanSWerasdividingby-. by-' Dividing by 4 givesthe sameansweras multiplying anotherway. in problem7 to writeeachof theseexpressions 8. Usethe statements lp'-z) + + lazgz g. Thenusethe Distributive as a multiplication P r i n C i p l et O m U l t i p l y . Explain. Principle 10. ls therea Distributive Projscl, Inc. o1990by KeyCufriculum Do notduplicalowithoulp€lmission. 3 5 PracticeTest expression. whichis nota rational Circletheexpression 8 -3 x-5 x + 3 x-2 XL o x L+ 2 x - 5 x+3 + Writeeachfractionin simplestform.