is y squared the same as 2y?

Generally, y² ≠ 2y.
But say y=0. Then y² = 2y.

A more interesting question is:
Which is larger, y² or 2y?

absolotely not !!
2y is :
y+y
y squared is :
y*y

as in :
5+5=10 but :
5*5=25

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No beacuase x squared is x times x. 2x is 2 times x.

Example:

4^2 = 16

4 x 2 = 8

everyone else is right
y squared is y times y
2y is y times 2

use the same rules on all variables no matter if it is x, y, or b
(:

No,
but,if the value of y = 2
then,y squared = 2y .

no

for example
y= 5

y^2 is y * y (time it self 2 times) so 5 * 5 = 25
, but for 2y. It's 2(5) = 10

So it not the same

no

y^2 is y times y

2y is 2 times y

No they are not.

Lets pretend y was a number say 2 to make it simple.

Ok 2y = 2 x 3 = 6 (substitute 3 as y)

y^2 = y x y = 3 x 3 = 9 (substitute 3 as y)

As you can see, they yield different results.

NO

y ² = ( y ) ( y )
whereas
2y = ( 2 ) ( y )

Example
10 ² = 100
2 ( 10 ) = 20

No x square is not the same as 2x.

Remember that a pronumeral can be any number.

x² means x times x
Where as 2x means 2 times x

If i was to Substitute x for the number 7, x² = 49 (7 x 7) and
2x = 14 (2 x 7)

Don't worry, when i first learnt this i was like you and didn't know the difference soon you will get the hang of it