Directed numbers 2 second question (:

[bronx.system]

sorry if posted in wrong section but just had very quick question.

-27 / 9

= -3 right?

my book says answer is 3
if the 9 was -9 then it would be 3? or am i missing something ><
also how do i add symbols when i post

 

[srmichael]

sorry if posted in wrong section but just had very quick question.

-27 / 9

= -3 right?

my book says answer is 3
if the 9 was -9 then it would be 3? or am i missing something ><
also how do i add symbols when i post

Your book is wrong. The answer is -3 whether it is (-27)/9 or 27/(-9) or -(27/9)

 

[HallsofIvy]

sorry if posted in wrong section but just had very quick question.

-27 / 9

= -3 right?

my book says answer is 3
if the 9 was -9 then it would be 3? or am i missing something ><
also how do i add symbols when i post

The product or quotient of a positive and a negative number is negative.
-27/9= -3.

The product or quotient of two positive or two negative numbers is positive
-27/-9= 3.

 

[bronx.system]

thanks all

dodgy text book