Homework 6th APRIL 2017

Algebraic expressions (HW)

1) Lee buys hotdogs and buns for a party. Hotdogs (h) come in packs of 8 and buns (b) come in packs of 12. Write an expression for the total number of hotdogs and buns bought, in terms of h and b.

2) Simplify the following expression: 3s2 + 6s - s2 - 8s

3)How can you simplify 4e × 2ef?

4)How can you simplify 24ab2 ÷ 6b?

5)Expand the bracket 4(2m - 7).

6)Expand and simplify 5 + 2(3a + 7).

7)Expand the double bracket (j + 2)(j - 4).

8)Factorise 4x2 - 14xy.

9)Factorise h2 + 3h + 2.