A student said that the sum of the measures of a pair of adjacent angles must equal 180 degrees. Is the student correct?
1 answer:
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Given:
The product of a particular number is 65.
Second value is given by the sum of 8 and the original number.
To find:
The unknown number.
Solution:
Let x be the unknown number.
Then, second number = x+8
The product of a particular number is 65.
Splitting the middle term, we get
Using zero product property, we get
and
and
So, the unknown number is either 5 or -13.
Therefore, the correct option is B.