# final exam - MTH 209 FINAL EXAM Please show your work to...

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MTH 209 FINAL EXAM Please show your work to obtain full credit. Do all of the problems. 1. Use distributive property to find product of (x – 1)(x 2 + x + 1) 1 1 1 ) 1 ( ) ( ) ( 3 2 2 3 2 2 - - - - + + - - - + + x x x x x x x x x x x x x 2. Square the binomial ( r – w) 2 2 2 2 w rw r + - 3. Find the quotient of (14y + 8y 2 + y 3 + 12) ÷ (6 + y) 2 2 0 12 2 12 2 12 2 14 2 6 12 14 8 6 2 2 2 2 3 2 3 + + - - - - - - + + - - - - - - - + + - - - - - + + + + + y y y y y y y y y y y y y y The quotient is 2 2 2 + + y y

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4. Perform computation and write answer in scientific notation for (6 x 10 11 )(6 x 10 11 ) 23 22 11 11 10 6 . 3 10 36 10 ) 6 ( 6 × × × + 5. Write 18 7 in simplified radical form 6 14 2 2 2 3 7 min 2 3 7 = × ator deno the e rationaliz 6. Factor out the GCF in x(w + 2) 2 + 8(w + 2) 2 (x+2) 2 is the GCF, we get (x+2) 2 (x+8) 7. Factor completely 20w 2 + 100w + 40 20 is the GCF 20(w 2 +5w+2) 8. Factor completely aw – 5b – bw + 5a aw –bw -5b+5a w(a-b)+5(a-b) (a-b)(w+5)
9. Find LCD for each rational expression and convert each into another

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## This note was uploaded on 04/20/2010 for the course MTH 208 algebra 1 taught by Professor Love during the Spring '10 term at University of Phoenix.

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final exam - MTH 209 FINAL EXAM Please show your work to...

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