4y^2 = 256, Find a value for y

y^2 = 256/4 = 64
therefore, y = sqrt(64) = 8

KP
Answered by Kai P. Maths tutor

3427 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Simplify the following: 5(x+2) - 3(6-x)


A ball, dropped vertically, falls d metres in t seconds. d is directly proportional to the square of t. The ball drops 45 metres in the first 3 seconds. How many metres does the ball drop in the next 7 seconds?


Solve the simultaneous equations: 3x + y =11; 2x + y = 8


How to differentiate a function?


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