-1/9 is rational because it can be expressed as a fraction (ratio).
Yes.
9 is a rational number
9/16
Rational
Yes a rational number is one which can be represented by one integer over another (possibly the same) integer which cannot be zero. 1 2/7 = (1×7+2)/7 = 9/7 (as an improper fraction) 9/7 is one integer over another integer, so it is a rational number.
yes
Yes.
It's rational. It's the ratio of -1 to 9 .
Yes, it is.
Yes.
Yes and it is 1/3
Yes.
9 is a rational number
All fractions are rational(ratio/quotient). Irrational numbers are those decimal numbers that CANNOT be converted to a FRACTION/RATIO/QUOTIENT.
9/16
41/9 is a rational number because all fractions are rational numbers
Rational