Question

the product of two rational number is -9 if one of the numbers is -12 find the other

Answer 1

let the other rational number be (X)

x ×(- 12 )= - 9
x= -9/(-12)
x=-3/4

Answer 2

Let the number be x.

According to question:-
x × -12 = -9
x = -9/-12
x = 3/4

So the another number is 3/4.

Hope it helps.