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1S Algebra Revision! $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400.

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Presentation on theme: "1S Algebra Revision! $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400."— Presentation transcript:

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2 1S Algebra Revision!

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9 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500

10 2a + 6f – 7a - f

11 -5a + 5f

12 5t 2 + 7t – 5t + 4t 2

13 9t 2 + 2t

14 6ac x 5a 4

15 30a 5 c

16 (2a 5 ) 3

17 8a 15

18 30x 4 y 2 / 5x 3 y

19 6xy

20 -3 (x + 7)

21 -3x -21

22 2ab(4a – 2b)

23 8a 2 b – 4ab 2

24 (a + 5)(a – 4)

25 a 2 + a - 20

26 (4a – 3)(5 + a)

27 4a 2 + 17a - 15

28 (6 – 2a)(3 + b)

29 18 + 6b – 6a – 2ab

30 5a + 10

31 5(a + 2)

32 3a + 6f – 3g

33 3(a + 2f – g)

34 15a 2 b – 3ab 2

35 3ab (5a – b)

36 a 2 + 16a + 64

37 (a + 8) 2

38 c 2 - 49

39 (c + 7)(c – 7)

40 c / 4 = 3

41 c = 12

42 2a – 4 = -14

43 a = -5

44 -3m = -27

45 m = 9

46 4x + 2 = x - 7

47 x = -3

48 15 – 2x = 17 – 3x

49 x = 2

50 a = 3, 2a + 1 = ?

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52 x = 4, x 2 – 3x = ?

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54 m = 2, p = 4 2m – 3p = ?

55 -8

56 r = -3 and t = -1 3r / (t + 5) = ?

57 -9/4

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61 4b + 6 = 14

62 b = 2

63 (x + 4)(x – 3) = 0

64 x = -4 and x = 3

65 (2a + 6)(a – 2) = 0

66 a = -3 and a = 2

67 (4a + 2) / 9 = 2

68 a = 4

69 c 2 + 5c + 6 = 0

70 ie (c + 3)(c + 2) = 0, so c = -3 and -2

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