Which of the following numbers is irrational? (1 point)
a fraction with numerator negative 9 and denominator 5, a fraction with numerator square root of 5, a fraction with numerator 7 and denominator 3, square root of 9
a fraction with numerator negative 9 and denominator 5
a fraction with numerator square root of 5
a fraction with numerator 7 and denominator 3
square root of 9