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MATH 121 - WRITTEN EXERCISES-MODULE 1

# MATH 121 - WRITTEN EXERCISES-MODULE 1 - Jimmy...

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Jimmy Morgan-MAT-121-OL-(1 Nov 09 thru 23 Jan 2010) R.2 Written Assignment 14. 12 5 1 6,- ,- ,- 3,0, ,1,2 ,3, 12 4 8 4 π - = 12 5 1 -6,- ,- ,0, ,1,3 4 8 4 24. 9 3 16÷4= 27 -4 = 23 - 26. 6(-5) – (-3)(2) 4 = 6(-5) – (-3)(16) ( Evaluate the Expression) = -30 + 48 = 18 38. 8 10 2 2 0 4 5 4 5 2 4 8 -2 4 2 2 2 2 2 q r p q - - - - = = = = - + + + (p= -4); q = 8; r = -10)(Using order of operations; evaluate the exp) 58. 15x – 10x = 5x ( Distributive Property) ( 29 84. -5 -5 2 -4 y x + = - ( x = -4; y = 2) Evaluate the Expression) = -10 - -4 = 14 2 -4 2 2 88. 5 5 -4 x y x + + = + + ( x = -4; y = 2) Evaluate the Expression) 4 4 8 = = 1 1 + = 8

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Jimmy Morgan-MAT-121-OL-(1 Nov 09 thru 23 Jan 2010) R.3 Written Assignment 24.) ( 29 ( 29 ( 29 ( 29 3 3 3 3 0 4 0 4 2 2 x y x y = ( Simplify the Expression) = 3 12 2 y 34.) 12 2 9 = ; deg 12; y y polynomial ree binomial + (only two terms) 48.) ( 29 ( 29 ( 29 3 3 2 2 3 3 2 2 - 8 3 2 4 3 1 -8x 3 2 4 3 1 x x x x x x x x x x x + - + + - + - = - + + + - - + 3 2 =-6x 3 4 4 x x - - + 50.) (5m – 6) (3m + 4) = 5m(3m) + 5m(4) – 6(3m) – 6(4) = 2 15 (20 18 ) 24 m m m + - - = 2 15 2 24 m m + - 68.) ( 29 2 4 1 (4y+z-1)(4y+z-1) y z - + = = (4 (4 ) 4 ( ) 4 ( 1) (4 ) ( ) ( 1) 1(4 ) 1( ) 1( 1)) y y y z y z y z z z y z + + - + + + - - - - - = 2 2 (16 8 8 2 1) y yz y z z + - + - + = 2 2 16 8 1 8 2 y y yz z z - + + - + 80.) ( 29 2 3 5 (3 5)(3 5) p p p + = + + = (3 (3 ) 3 (5) 5(3 ) 5(5))
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