Changing the subject — Foundation

Mark scheme and answers · Total marks: 31

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Question 1 [1 mark]

b = a + c

Question 2 [1 mark]

m = Fa

Question 3 [1 mark]

x = y - 5

Question 4 [1 mark]

t = v - ua

Question 5 [1 mark]

x = 2y - 3

Question 6 [1 mark]

w = P - 2l2

Question 7 [1 mark]

x = 3y - 52

Question 8 [1 mark]

r = √S/(4π)

Question 9 [1 mark]

q = p - r

Question 10 [1 mark]

t = dv

Question 11 [1 mark]

w = Al

Question 12 [1 mark]

x = y - 94

Question 13 [1 mark]

y = 12 - 2x3

Question 14 [1 mark]

x = bc + a

Question 15 [1 mark]

a = (2sh) - b

Question 16 [1 mark]

h = 2A(a + b)

Question 17 [1 mark]

a = (v² - u²)/(2s)

Question 18 [1 mark]

x = y + 72

Question 19 [1 mark]

t = u - 56

Question 20 [1 mark]

y = 6 - 0.75x

Question 21 [1 mark]

x = 3y + 4

Question 22 [1 mark]

h = V(lw)

Question 23 [1 mark]

D = C/π

Question 24 [1 mark]

x = 2y - 13

Question 25 [2 marks]

u = v - at

Question 26 [1 mark]

x = 3y + 52

Question 27 [1 mark]

x = y - cm

Question 28 [1 mark]

b = 2Ah

Question 29 [1 mark]

h = V(πr²)

Question 30 [1 mark]

x = b² - a