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

1970 Views

See similar Maths KS3 tutors

Related Maths KS3 answers

All answers ▸

Asha and Lucy sell pencils. Asha sold 7 boxes, and 22 singles. Lucy sold 5 boxes, and 2 singles. Given Asha sells twice as many pencils as Lucy, work out how many questions are in each box.


Simplify \sqrt{98} - \sqrt{32} giving your answer in the form k*sqrt{2} where k is an integer


Make F the subject from this equation: C = (F-32)*(5/9)


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


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