If x=3 and y=7, which of the following gives value of 23?

1.) y2/x2.) x2+2y3.) xy4.) y2-2x2

MM
Answered by Megan M. Maths tutor

2241 Views

See similar Maths KS3 tutors

Related Maths KS3 answers

All answers ▸

Solve the following simultaneous equations: 2y + 3x = 19 and 7x + y = 26.


Solve Simultaneous equations: 3x + 4y = 23 & 2x + 3y = 16


Anton, Barbara and Clive are buying pens from the shop. Anton needs 4, Barbara needs 7, Clive needs 11. Pens only come in packs of 10. How many packs of pens do they need to buy between them?


1) What is the area of a rectangle? 2) What is the area of a triangle?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning