How do you solve simultaneous equation where one of them involves powers?
Example: y - 3x = 2 , x2 + y2 = 4 y= 3x + 2 x2 + (3x+2)2 = 4 10x2+ 12x + 4 = 4 10x2+12x=0 x(10x+12)=0 x=0 or x=-1.2 y=30 + 2 = 2 (0,2) is a solution y = 3-1.2 + 2=-1.6 (-1.2,-1.6) is a solution
LF
Related Maths GCSE answers
All answers ▸Write down the value of 36^ 1/ 2
How do you solve simultaneous equations and why do you do it?
Solve the simultaneous equations 3x + 2y = 4, 4x + 5y = 17
Solve these simultaneous equations: 2x + y = 7, and 3x - y = 8. Do so by 1) Eliminating an Unknown and 2) Substitution.