AQA Core 2 Algebra and functions

1 of 1 15/01/13 MEI

Section 1: Indices

Exercise 1. Find:

(i) 43 (ii) 62 (iii) 1 24

(iv) 06 (v) 25 (vi) 1 364

(vii) 1 216 (viii) 5 38 (ix) 3 236

(x)

11

2

(xi)

1 225

9

(xii)

2 327

64

2. Simplify the following expressions:

(i) 3 32 3 5 a b ab b (ii) 2

2

2

4

a b

ab

(iii) 2 3

2

12

9

p qr

pq r (iv)

32 24 2xy x y

(v) 11 4 3 a a a (vi) 3 2

5 7

p p

(vii) 32 x x (viii)

13

2

y y

3. Simplify the following:

(i) 11 4 33 3 3 (ii) 3 2

5 72 2

(iii) 6

5 3

5

5 5

(iv) 5 1 22 4

2

(v)

3 25 7 43 9 (vi)

4 3

1 3 8 3

x

x x

4. Simplify the following:

(i) 5 2 1 23 3 (ii) 1 2 3 2 5 22 2 2 (iii) 1 2 1 2y y