For Exercises 25–30:
(a) Use a graphing utility to graph the equation.
(b) Use a graphing utility, as in Example 5, to estimate to one decimal place the x-intercepts.
(c) Use algebra to determine the exact values for the x-intercepts. Then use a calculator to check that the answers are consistent with the estimates obtained in part (b).
Hint for part (a): To solve the equation for y, first notice that the y terms appear only on the left-hand side, then factor out the common factor y. Regarding the essential features of the graph, you should find that there are two distinct pieces. You may have to adjust the viewing rectangle.
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