To find: at what value of c the following equation can be solved by completing the square.
Answer to Problem 65STP
The value of
Explanation of Solution
Given:
Concept used:
An expression obtained from the square of binomial equation is a perfect square trinomial is in the form of
The perfect squares trinomial formula is given as:
Calculation:
To make the trinomial a perfect square, find the value of
First Find the half of the coefficient of second term:
Square the result of the half of the coefficient of the second term will be the:
Divide the result by the coefficient of the first term:
The value of
Replace the equation:
Hence, the value of
Taking square root on both side:
Chapter 4 Solutions
Glencoe Algebra 2 Student Edition C2014
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