Maths N4.indd

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Maths Revision Booklet for CCEA GCSE 2-tier specification. N4. Compiled by Neill Hamilton. Rewarding Learning. Page 2. Maths Revision Booklet N4. 9.
Maths Revision Booklet

N4

for CCEA GCSE 2-tier specification Compiled by Neill Hamilton

Rewarding Learning

Maths Revision Booklet N4

9

12 Simplify m

n

_ (a) _n – m

Answer ______________________ (b) 18x³y 20 xy² Answer ______________________ (c) 7(y + e)² (y + e) Answer ______________________

13 The graph of v = pm + q is shown below. 8 6 4 2

-4

-2

2

4

m

-2 -4 -6 -8

v

Find the value of: (a) p Answer ______________________ (b) q Answer ______________________

10

Maths Revision Booklet N4

14 Look at the grid below. y = 2x – 2 y 4

R

2 0 1

2

3

4

x

-2

(a) List the three inequalities that define the shaded region R. Answer ______________________ Answer ______________________ Answer ______________________ (b) Which point in the shaded region will give the maximum value of y – 2x? Answer ______________________

15 List 4 questions that could be asked in a questionnaire to find out how a youth club is run. (Hint: Your questions should be closed and unambiguous)

Maths Revision Booklet N4

29

15 Calculate the value of x in each diagram. (Hint: The formulae are in the formula booklet)

84°

5.4 cm

35° x (a) Answer _____________________ cm

y

7.6 cm

42°

7.2 cm

(b) Answer _____________________ cm

5.4 cm

5.8 cm

56°

x

(c) Answer _____________________ °

8.6 cm

8.4 cm

x 9 cm (d) Answer _____________________ °