Question

What is a perfect square? Is 0 a perfect square?

Answer 1

yeah

Answer 2

0*0=0
sqrt0=0

Answer 3

perfect square when u take square root of number and get perfect number(not decimal)
for example \[\sqrt{9} = 3\]

Answer 4

a perfect square is when the square of this number is an intenger

Answer 5

So a perfect square is like square root??

Answer 6

yeah
but the square root must be an intenger

Answer 7

is
\[\frac{9}{4}\] a prefect square ?

Answer 8

how about \(1.44\) is that one?

Answer 9

No

Answer 10

ok if you say so

Answer 11

?

Answer 12

how about \(x^2+2x+1\) is that a perfect square?

Answer 13

if you look up a definitinon you will see it is a square of a rational number, or a polynomial
so since \(\frac{9}{4}\) is the square of \(\frac{3}{2}\) it is a prefect square

Answer 14

likewise
\[(1.2)^2=1.44\] making
\[1.44\] a prefect square

Answer 15

as well as \((x+1)^2=x^2+2x+1\)