yes
Yes.
It must be a generalised rational number. Otherwise, if you select a rational number to multiply, then you will only prove it for that number.
yes
144 is not prime. 144 = 2 * 2 * 2 * 2 * 3 * 3
The square root of 144 is 12 which is a rational number
144 is rational. It is a whole number, it is an integer, etc.......
It is rational.
Yes because the square root of 144 is 12 which is a rational number
Yes. It's the ratio of -144 and 4. That makes it a rational number by definition.
No, it is an integer; all integers are rational.
Yes
sqrt(144) = 12. 12 is the ratio of 12 to 1, so it's nice and rational.
Yes.
Yes.
Yes because the square root of 144 is 12
Square root of 1.44 = 1.441/2 = (1.2x1.2)1/2 = 1.2 which is a rational number.