To Find:
What must be added to make the expression a trinomial square:
Answer to Problem 13OE
16
Explanation of Solution
Given:
The expression is :
Calculation:
Given:
First , make the coefficient of
Since here , it already is 1.
Check for the coefficient of y .
It is 8 .
So, the term that has to be added to make it a trinomial and a perfect square is :
square of the half of the coefficient of y.
So, 16 should be added.
Check:
Chapter 7 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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