Concept explainers
The method used to solve the given equation.
Answer to Problem 28PPE
Graphing or
Explanation of Solution
Given:
The given equation is:
Calculation:
The coefficient of
There are no two integers whose product is -4 and sum is 8, hence, factoring method cannot be used.
Graphing and quadratic formula method can be used for any quadratic equation.
Therefore, the equation can be solved by using Graphing or quadratic formula.
Chapter 9 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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