Asked by EAW

solve:

y(squared)-144=0

please help, for like the other one, i have this on my final too.
Thank You!
Answered by maximillion
y^2-144=0

add 144 to the other side to get:

y^2=144

square root both sides

y=12
Answered by Damon
what if y were -12 :)
Answered by maximillion
y=12 or y=-12

:(

Answered by Damon
Nasty quadratics.