![]() ![]() Understand the formulas for reflection over the x-axis, y-axis, the. In this case, theY axis would be called the axis of reflection. Lesson Transcript Author Cynthia Goforth View bio Instructor Jennifer Beddoe View bio Learn about reflection rules in math. A reflection is an example of a transformation that takes a shape (called the preimage) and flips it across a line (called the line of reflection) to create a new shape (called the image). Math Definition: Reflection Over the Y AxisĪ reflection of a point, a line, or a figure in the Y axis involved reflecting the image over the Y axis to create a mirror image. The line of reflection, or line of symmetry, can be any line you choose, but the x and y axis are some common lines of. The line of reflection is always the perpendicular bisector of the lines linking corresponding points in the original and the image. In geometry, a transformation is an operation that moves, flips, or changes a shape to create a new shape. In this case, the x axis would be called the axis of reflection. This complete guide to reflecting over the x axis and reflecting over the y axis will provide a step-by-step tutorial on how to perform these translations.įirst, let’s start with a reflection geometry definition: Math Definition: Reflection Over the X AxisĪ reflection of a point, a line, or a figure in the X axis involved reflecting the image over the x axis to create a mirror image. A real-life example is the reflection of Mount Hood in Mirror Lake. When a figure is said to be a reflection of another figure, each point in that figure and each corresponding point in the reflected figure are equidistant from the line of reflection. The line of reflection is also called the mirror line. ![]() This idea of reflection correlating with a mirror image is similar in math. A reflection is a type of transformation that flips a figure over a line. The shape is mirrored about a line known as the line of reflection. A reflection is one of the four types of transformations.A shape can be reflected across a line of reflection to create an image. In real life, we think of a reflection as a mirror image, like when we look at own reflection in the mirror. Learning how to perform a reflection of a point, a line, or a figure across the x axis or across the y axis is an important skill that every geometry math student must learn. ![]()
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