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Let b be the multiplicative inverse of a such ab=1
S the multiplicative inverse of -1/9 is b and a is -1/9
Solve for the multiplicative inverse of -1/9
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-1/9 * b=1 <---solve for b
Can you do this?
you lost me big time e.0???
Your question ask us to find the multiplicative inverse of a
I'm calling that multiplicative inverse b.
The multiplicative identity is 1.
If a and b are multiplicative inverses of each other, then the product of a and b is 1.
-1/9 * b=1
You need to solve this for b in other words.
If you don't know how to solve equations, then you can always remember to take the opposite of the reciprocal.
Just so you know 0 doesn't have a multiplicative inverse.
What is the reciprocal of -1/9?
To find the reciprocal just switch the numerator and denominator for each other.
Do you know what I mean?
Opposite of the reciprocal? Multiplicative inverse IS reciprocal.
Oops. I'm thinking of lines that are perpendicular. I'm sorry.
Just flip it. lol.
But still ab=1
then a and b are multiplicative inverses of each other