Concept explainers
To solve the given equation using graphing.
Answer to Problem 24SGR
The values of x are -1 and 4.
Explanation of Solution
Given information :
The function provided is
Formula used :
The given equation would be graphed as a function and the points of x-intercepts would be the results. For these points, the x-coordinate shall serve the purpose of the results.
If the roots are not on points that are integers, use the approximation method to compute the roots.
Else, put the x-intercept value in the equation. If the left-hand and right-hand sides of the equations match, it is a success and those will be the values of x.
Calculation :
The graph of the given equation is
The zeroes in the graph are at
Put these values in the given equation to recheck.
Putting
Simplifying
Hence first value of x is a success.
Putting
Simplifying
Hence second value of x is a success.
Chapter 9 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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