Answers>Maths>GCSE>Article

Solve the simultaneous equations: x^2 + y^2 = 25 and y − 2x = 5

x²+y²=25, y-2x= 5 y = 5+2x -----> y² = (5+2x)² = 25 + 20x +4x² x² + 4x² + 20x + 25 = 25 5x² + 20 x = 0 x = 0 y = 5+(2*0) y=5

AG

Answered by Alex G. • Maths tutor

27097 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve the following simultaneous equations: x^2 + 2y = 9, y = x + 3

Bob and Bill have 50 sweets to share in the ratio 4:6 respectively. how many do they each get?

Solve the inequality 3x+7>x-3

Complete the square for the equation x^2 - 12x + 8 = 0