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 www.justmaths.co.uk (ii) y = 4x2 (iii) y = x2 + 5 ©JustMaths 2013 Exam Questions Q1. Make x the subject of the following 5(x - 3) = y(4 - 3x) Ready to be marked ? Checklist Answer checked Working out shown Keywords Things to remember ... Q2. Make x the subject of the following T= x+2 2 What went well ... Teacher comment ..