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 do I find the roots and and coordinates of the vertex of the graph y = 2x^2 + 4x - 8 ?


How do I make x the subject of the formula?


Solve 8(x + 3) = 36


Find the exact value of the gradient of the curve y=e^(2-x)ln(3x-2) at the point on the curve where x=2.