If you forget the rules for reflections when graphing, simply fold your paper along the x-axis (the line of reflection) to see where the new figure will be located. Find a point on the line of reflection that creates a minimum distance. Reflect over the x-axis: When you reflect a point across the x-axis, the x-coordinate remains the same, but the y-coordinate is transformed into its opposite (its sign is changed).This tutorial reviews how to perform a reflection over the x-axis on the coordinate plane. Determine the number of lines of symmetry. When reflecting an object over the x-axis, keep all x-values and change the y-value.Reflectionabout the x-axis: None Step 9 The value of describes the verticalstretch or compression of the graph. meansthe graphis reflected across the x-axis. Describe the reflection by finding the line of reflection. The sign of describes the reflectionacross the x-axis.Where should you park the car minimize the distance you both will have to walk? For this problem, that means y Zx becomes y 3 - x after a reflection over the. ![]() You need to go to the grocery store and your friend needs to go to the flower shop. To reflect it over the x - axis, change the function to y -f ( x ). ![]() Now we all know that the shortest distance between any two points is a straight line, but what would happen if you need to go to two different places?įor example, imagine you and your friend are traveling together in a car. And did you know that reflections are used to help us find minimum distances?
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