solve (y+1)^2 = 4

(y+1)2= 4. The power of two becomes a square root on the other side. Don't forget that this is plus or minus the square root of 4. Now we have y+1 = +- sqrt(4). We now have two equations to solve for y. y+1 = 2 or y+1=-2. Giving y = 1 or y = -3.

JK
Answered by Jasper K. Maths tutor

4868 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve the simultaneous equations: 3x+5y=3 and 6x+6y=10


Ayo is 7 years older than Hugo. Mel is twice as old as Ayo. The sum of their three ages is 77 Find the ratio of Hugo's age to Ayo's age to Mel's age.


I did a question the other day which expected me to know what cos(30) is without a calculator. How do I work it out?


Solve these simultaneous equations and find the values of x and y. Equation 1: 2x + y = 7 Equation 2: 3x - y = 8


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:

© 2025 by IXL Learning