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Use the formula v = u + at to work out the value of v when u = 7, a = 10, t = 8

a. Write the formula of number of seconds, S, in any number of minutes, M.

b. Use the formula in part a to work out S when M = 15.

c. rearrange your formula in part a to make M the subject.

b. Use the formula in part a to work out S when M = 15.

c. rearrange your formula in part a to make M the subject.

Factorise each of these expressions.

1) 18y - 9x

2)

3)

1) 18y - 9x

2)

3)

3x2+x

3y2−9y+6xy

Factorise each of these expressions.

1) 14 + 21c

2) 15z +10yz

3) 2x + 6y + 8

1) 14 + 21c

2) 15z +10yz

3) 2x + 6y + 8

Simplify

5x+5x

Simplify

52y+103y

Simplify

94a−53b

Expand and simplify

1. (x+3)(x+7)

2. (y-4)(y+8)

1. (x+3)(x+7)

2. (y-4)(y+8)

Expand and simplify

1. (x-3)(x-7)

2. (y+4)(y-8)

1. (x-3)(x-7)

2. (y+4)(y-8)

Expand and simplify

(y+5)2

Expand and simplify

(n−9)2

Expand and simplify

1.

2. (p+10)(p+10)

1.

2. (p+10)(p+10)

(p+10)2