1 / 15

Brackets

ζ. Dr Frost. Brackets. Objectives: Be able to ‘expand’ brackets in algebraic expressions. Brackets. x. 2. 4. Find the area Therefore, work out how we can remove the brackets in 4(2 + x). Brackets. 4(2 + x). 8. + 4x. =. Brackets. x(y - 3). = xy - 3x. ?. Brackets.

bess
Download Presentation

Brackets

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. ζ Dr Frost Brackets Objectives: Be able to ‘expand’ brackets in algebraic expressions.

  2. Brackets x 2 4 Find the area Therefore, work out how we can remove the brackets in 4(2 + x)

  3. Brackets 4(2 + x) 8 + 4x =

  4. Brackets x(y - 3) = xy - 3x ?

  5. Brackets Click to give hint (x - 3) - 1 = -1x + 3 ? = -x + 3 ?

  6. a(x + 3) ? ax + 3a

  7. a(x + 3) 3(2 + 5y) ax + 3a ? 6 + 10y

  8. ? an + bn + 3n a(x + 3) 3(2 + 5y) n(a + b + 3) ax + 3a 6 + 10y

  9. an + bn + 3n a(x + 3) 3(2 + 5y) n(a + b + 3) -(n + 2) ax + 3a 6 + 10y ? -n - 2

  10. an + bn + 3n a(x + 3) 3(2 + 5y) n(a + b + 3) -(n + 2) 3a – 2(a –b) ax + 3a 6 + 10y ? -n - 2 a – 2b

  11. an + bn + 3n a(x + 3) 3(2 + 5y) n(a + b + 3) ? n + 7 3(n+3) – 2(n+1) -(n + 2) 3a – 2(a –b) ax + 3a 6 + 10y -n - 2 a – 2b

  12. an + bn + 3n a(x + 3) 3(2 + 5y) n(a + b + 3) n + 7 3(n+3) – 2(n+1) -(n + 2) 3a – 2(a –b) ax + 3a 6 + 10y 2(a+1) -(a-2) -n - 2 a – 2b ? a + 4

  13. an + bn + 3n a(x + 3) 3(2 + 5y) n(a + b + 3) n + 7 3(n+3) – 2(n+1) -(n + 2) 3a – 2(a –b) ax + 3a 6 + 10y 2(a+1) -(a-2) 3(2x+6) – (7-3x) + 3(3x+5x) -n - 2 a – 2b ? a + 4 39x + 11

  14. an + bn + 3n a(x + 3) 3(2 + 5y) n(a + b + 3) n + 7 3(n+3) – 2(n+1) -(n + 2) 3a – 2(a –b) ax + 3a 6 + 10y 2(a+1) -(a-2) 3(2x+6) – (7-3x) + 3(3x+5x) -n - 2 a – 2b a + 4 39x + 11

  15. Exercises If you finish: Work out the area of this shape by: Adding each of the smaller areas. Working out the area of the big square by using the total width and total height. Therefore, what is (a+b)2when expanded? • Exercise 1: • Q1, 4, 7, 10, 13 • Q16-36 (evens) • Exercise 2: • Q1-22 b a a b

More Related