<p><span style="font-size:22px"><a target="_blank" href="https://www.prepswift.com/quizzes/quiz/prepswift-reflections-and-symmetry">Reflections and Symmetry Exercise</a></span></p><p><span style="color:#27ae60;">Reflections and Symmetry</span> basically refer to the "mirror" movement of points. </p>
<p><strong><span style="color:#8e44ad;">Reflection About the $x$-axis</span></strong></p>
<p style="margin-left: 40px;">If the original point is $(x,y)$, the new point is $(x, -y)$.</p>
<p><strong><span style="color:#8e44ad;">Reflection About the $y$-axis</span></strong></p>
<p style="margin-left: 40px;">If the original point is $(x,y)$, the new point is $(-x, y)$.</p>
<p><strong><span style="color:#8e44ad;">Reflection About the Origin</span></strong></p>
<p style="margin-left: 40px;">If the original point is $(x,y)$, the new point is $(-x, -y)$.</p>