Question

For any integer a, what is (-1) * a equal to?
Determine the integer whose product with (-1) is 5​

Answer 1

Step-by-step explanation:

we have to do this..

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Answer 2

for any integer a, (-1) *a= -a

because 1is multiplicative identity of any number. If we multiply any number with 1 we get the number itself.

And if a negative number (-) is multiplied by a positive number (+), we always get a positive number.

so, when any integer will be multiplied by -1 then we will get the integer itself with opposite sign.

Since, (-) * (+) = (-)

(-) * (-) = (+)

let the integer be x

(-1) *x= 5

x=-5

then the integer will be -5.

hope it will help you