Concept explainers
To estimate the x intercept of the equation

Answer to Problem 75E
(-2.168, 0), (-0.382, 0)
Explanation of Solution
Given:
Equation:
Calculation for graph:
Consider
Values of x | Values of y |
0 | 1 |
1 | 2.5 |
-1 | Infinity |
2 | 3.666 |
-2 | 1 |
By taking different values of x, the graph can be plotted.
Graph:
Interpretation:
From above graph, it is clear that the graph meets x-axis at
Hence, the x intercept is (-2.168, 0) and (-0.382, 0).
Verification:
To find x intercepts, put y = 0,
The roots of a
Applying above formula,
So, the x intercept is (-2.168, 0) and (-0.382, 0).
Conclusion:
Therefore, the x intercept of given equation is (-2.168, 0) and (-0.382, 0).
Chapter 2 Solutions
EP PRECALC.GRAPHING APPR.-WEBASSIGN-1YR
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