Question

If -1 is obtained on doubling a rational number,then the rational number is
a.2
b.-1/4
c.1/2
d.-1/2
also explain why you have chosen the specific answer
.

help me out guyss plzz

Answer 1

Answer:

-1/2

Step-by-step explanation:

let no.=x

2x=-1

x=-1/2