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4.02 Reflections

Interactive practice questions

Consider the point $A\left(7,3\right)$A(7,3).

a

Plot point $A$A on the number plane.

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b

Now plot point $A'$A, a reflection of point $A$A across the $x$x-axis.

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Consider the point $A\left(-5,-6\right)$A(5,6).

Plot the following.

Plot the following.

Outcomes

GEO-G.CO.2

Represent transformations as geometric functions that take points in the plane as inputs and give points as outputs. Compare transformations that preserve distance and angle measure to those that do not.

GEO-G.CO.4

Develop definitions of rotations, reflections, and translations in terms of points, angles, circles, perpendicular lines, parallel lines, and line segments.

GEO-G.CO.5

Given a geometric figure and a rotation, reflection, or translation, draw the transformed figure. Specify a sequence of transformations that will carry a given figure onto another.

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