Question

Question 21

Which of the following does not represent an integer?

a) $0÷(-7)$
b) $20÷(-4)$
c) $(-9)÷3$
d) $(-12)÷5$

Answer 1

An integer is a whole number (not a fractional number) that can be positive, negative or zero. So,
a) $\frac{0}{-7}=0$
b) $\frac{20}{-4}=-5$
c) $\frac{-9}{3}=-3$
d) $\frac{-12}{5}$ (not an integer)