Checkpoint Sketch the graph of \( (x+2)^{2}+(y-2)^{2}<16 \)
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The inequality \( (x+2)^{2}+(y-2)^{2}<16 \) represents the interior of a circle centered at the point (-2, 2) with a radius of 4. To sketch the graph, start by plotting the center at (-2, 2). Then, measure 4 units in all directions (up, down, left, and right) from the center to draw the boundary circle. Since the inequality is strict (<), the boundary of the circle will not be included, so use a dashed line for the circle itself. The area inside the circle is where the inequality holds true. Now, let’s add some fun! Did you know that the equation of a circle stems from the Pythagorean theorem? Just like finding the distance from the center to a point on the circle, this inequality uses the same concept of 'distance' to define what lies inside the circle! It’s like a cozy little space right around the center where all the points love to hang out!