Solve the simultaneous equations: x2 + y2 = 20, 3x=2-y

x = -4/5 or 2
y = 22/5 or -4

IA

Related Maths GCSE answers

All answers ▸

How to find surface area and volume of a cone


At a football game number of men : number of women : number of children = 13 : 5 : 7 There are 4152 more men than women. Work out the number of children at the game.


How do I know when to use sin, cos or tan?


solve the simultaneous equations 8x + 2y = 48 , 14x + 6y = 94