In Example 2, change the 3x on the right to 3. Data from Example 2 Solve the
Question:
In Example 2, change the 3x on the right to 3.
Data from Example 2
Solve the equation
Squaring both sides of the equation gives us
Checking this solution in the original equation, we have
Therefore, the solution x = 2/3 checks
We can check this solution graphically by letting
and y2 = 3x. The calculator display is shown in Fig. 14.18. The intersection feature shows that the only x-value that the curves have in common is x = 0.6667, which agrees with the solution of x = 2/3. This also means the line y1 is tangent to the curve of y2.
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Related Book For
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
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