What is the sum of -9 and -18?
2 answers:
Answer: The answer to the question you asked up top would be -27, however the question in the picture doesn't match. As for the question in the picture, the answer is should be choice B or 4 square root 2i
Step-by-step explanation:
The first one: add the number together since they are both negative and just place a negative sign in front.
The second one: break down the square root of -18 into 9*-2. Then add which equals
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or
Write 8 = 2³, so that in the first interpretation,
and in the second,
Then in the first interpretation, we have
Otherwise, the second interpretation gives