Transform the polar equation to an equation in rectangular coordinates. Then identify and graph the equation.
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What is the standard form of the equation in rectangular form?

To transform the polar equation into rectangular coordinates, we use the relationships and . Substituting these into the equation gives us:

This equation represents a horizontal line at in rectangular coordinates.

Now, let’s graph it! Imagine a straight line that runs left and right across the coordinate plane like a tightrope. It cuts through the -axis at 7, while stretching out infinitely in the direction. So, if you were to walk on that line, you’d never stray above or below it—just a perfect, steady stroll!