Concept explainers
Solve the equation
Answer to Problem 7PT
The solutions are (nearest tenth): − 4.2 and 1.2.
Explanation of Solution
Given:
The equation:
Concept Used:
The equation:
Calculation:
Graph the equation:
The x − intercepts of the graph appear to be at − 4.193 and 1.193.
So the solutions are (nearest tenth): − 4.2 and 1.2. |
Now estimate the result to nearest tenth:
Thus, the solutions are (nearest tenth): − 4.2 and 1.2.
Chapter 9 Solutions
Algebra 1
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