HW_2B.docx - ALG HW 2B PART I Name MORE Equation Practice 1...

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ALG HW 2B Name: _________________________ Due: _____ PART I: MORE Equation Practice Show steps & solve each equation. 1. 2.5 a + 105 = 10 2.5 a 15 2. 3 2 ( 9 + 2 b ) =− 4 b 21 27 3. 2 1 2 c = 3 c + 16 12 4. 1 2 d + 1 = 7 + 9 2 d 17 5. 10 e 3 = e 9 6. 8 3 2 5 f = 1 3 f 8 5 2 7. 6 2 ( g 2 ) =−( 5 + 7 g ) 81 8. 10 i + 17 2 i = 2 ( 12 + 4 i ) 7 3 9. 4 j 5 3 = 2 j 8 7 18 PART II: Solving Inequalities Show steps to solve, give answers in Set Builder Notation, & graph on a number line. 10. j – 7 > 21.6 5 > x 11. 3.2 < k + 4.7 17<x 12. m 3 <− 6 16 > x 13. 5 7 ≥n + 2 7 X<12 14. p 12 > 3 4 16> x 15. 4( q – 1) > 4 13<x 16. 2(3 + 3 r ) < 2 r + 14 x<14 17. 3.4 + 1.6 s > 5.9 – 0.9 s 33< x 18. 1 2 t 1 3 t ≤ 1 4< x 19. 1 2 ( 2 u + 8 ) > 4 + 6 u 6> x 2 0. v 5 3 < 4 v 2 3<x 21. 4 w 5 3>x PART III: Literal Equations Show steps & solve the equation for the requested variable. 22. Before starting 23-31 , explain YOUR strategy to rearrange a literal equation. 23. 7r = t for r t/7 24. ax c = b for x b-c/a 25. ax c = b for c b-ax/c 26. a = 1 2 bh for h 1/2h 27. m g 2 = d for m g*2 28. 2 3 x + k = j for x 2/3jk 29. 4 w = 12 for w -4 30. 4 x + m = 2 x n for x 6mn 31. k ( f + h ) = r for k fh/r
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Part IV: Blast from the PasT 32. Explain the difference between the Symmetric Property & the Commutative Property.
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