When -25, is divided by ____ the quotient is 5.

Hint: The given question is to solve for the quotient, here the divisor and dividend are given, in order to solve the question here we need to divide the given numbers to get the quotient. Here to cross check the answer we can multiply the quotient and divisor, if the answer obtained is equal to dividend then it is correct else the answer is wrong.

Formulae Used: Formulae for division is:
\[ \Rightarrow (quotient \times divisor) + remainder = dividend\]

Complete step-by-step answer:
 The given question is to solve by using the division rule:
On solving we get:
\[ \Rightarrow \dfrac{{ - 25}}{5} = - 5\]
Hence the quotient obtained is minus five.

Additional Information: Here the sign of the quotient is negative because the divisor has the positive sign and the dividend has the negative sign, so the product of positive and negative sign gives negative.

Note: The given question need to be solved as the formulae of division, here the dividend contain the negative sign, we know that after division the dividend and the divisor sign product is retained with the quotient, and we also use this relation only.