maths
posted by Marian on .
Select the option that is the equation
y=2x2
rearranged to make x the subject of the equation.
Select one:
x=y+1 or x=y/2+1 or x=y+1
or x=y/22 or x=y/2=1
or x=y2 or x=y2

y=2x2
y+2=2x
(y+2)/2 = x
y/2 +1 = x
Answer: x=y/2+1