Solve simultaneously. x^2+y^2 = 25 ; y - 3x = 13

y = 3x + 1310x^2 + 78x + 169 = 2510x^2 +78x +144 = 0(5x+24)(2x+6) = 0x = -24/5 or -3y = -7/5 or 16

Answered by Ben H. Maths tutor

2397 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

How do I rationalise the denominator of √2+1]/√2-1?


How do I work out the nth term?


In a sale, the original price of a bag was reduced by 1/5. The sale price of the bag is £29.40. Work out the original price.


How can I factorise a quadratic equation?


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences