Rearranging equations
Now have a go yourself . . .
Sorted it
a) Make L the subject
How to . . .
(i)
Make p the subject of the formula
b)
y = 3p - 4
(ii) L - 4t = h + 2t
Make x the subject
(i)
2
L-2=h-t
x + 2y = p2 - q
(ii) x + 3y = 2y - 3
NAILED IT
a)
Make K the subject of these equations
(i)
B = 5K
(ii) B = 10K
(iv) B = K
2
b)
(iii) B = 9K
(v) B =
5K
2
Make x the subject of these equations
(i)
y = 3x + 9
(ii) y = 2x + 4
(iii) y = 5x—15
(iv) y = 7x - 21
MASTERED IT
Make x the subject of these equations
(3)
(i)
3
y= 2 x+4
3
(iii) y = 4 x - 12
3
(ii) y = 5 x + 15
(iv) y = 7 x - 14
2
Want a challenge? Make x the subject ..
(i) y = x2
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(ii) y = 4x2
(iii) y = x2 + 5
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Exam Questions
Q1. Make x the subject of the following
5(x - 3) = y(4 - 3x)
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Q2. Make x the subject of the following
T=
x+2
2
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