Yes, 225 squared is a rational number.
20 squared is 400 which is a rational number
B squared -4ac is the discriminant. you get 0, which means it will have one rational solution.
Rational.
no
28 squared is 784 which is a rational number
Rational; 62 = 36. Any rational number that is squared is still rational.
Yes, 225 squared is a rational number.
20 squared is 400 which is a rational number
B squared -4ac is the discriminant. you get 0, which means it will have one rational solution.
Yep, any rational number squared is also rational.
Rational
Rational.
Rational.
no
The square of any rational number is also rational.
The square root of 5 squared is 5, which is a rational number.