Sum of x and 7 doubled
1 answer:
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Answer:
radical 232
Step-by-step explanation:
14^2+6^2=x^2
196+36= 232
radical 232
Answer:
The sign is negative
Step-by-step explanation:
Given
Required
Determine the sign
The expression can be split into 3 factors
If x > 0 then x is positive and If y < 0 then y is negative
So, the expression becomes:
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Leave only signs
So, we have:
So, we have:
<em>Hence, the sign of the expression is negative</em>
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Take for instance;
The expression would be:
-- negative