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

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

Answered by Megan M. Maths tutor

1396 Views

See similar Maths KS3 tutors

Related Maths KS3 answers

All answers ▸

Use Pythagoras theorem to work out the hypotenuse when the adjacent length of a triangle is 3 and the opposite side is 4.


Bob buys 33 pens and 21 rulers for £6. A ruler costs 8 pence more than a pen. How much does one pen cost?


A bag has blue and red counters in a ration of 4:5. If there are 45 counters in the bag, how many red counters are there?


Solve the following simultaneous equations: a + 3b = 12, 4a - 3b = 18 (KS3 2010 Paper 2)


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