Concept explainers
To find: The derivation of a formula that can be used to find solutions of equations that have the form
Answer to Problem 78E
The required formula is
Explanation of Solution
The given form of the equation is
In the above equation, the value of b is 1.
Write the formula of the given equation using the Quadratic formula
Now, the given equation is
To solve the above equation, use the formula
Solve the above expression for x .
And,
Hence, the required formula is
Chapter 9 Solutions
BIG IDEAS MATH Algebra 1: Common Core Student Edition 2015
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