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 ▸y = (x + 2)(x + 5)
expand (2x+4)(x+2)
which expression is equivalent to x^2-4? (x-2)^2 (x-2)(x+2) (x+2)(x+2) x^2(-4)
Katie wants to buy 4 adult show tickets for £10 each and 2 child show tickets for £3 each. There is a 10% booking fee and 3% is then added for paying by credit card. Work out the total charge for Katie if she pays with a credit card.