IM Pre-Alg: Unit 1 Vocabulary Quiz

A point where two or more edges meet.

• vertex

• right angle

• clockwise

• image

This transformation moves every point on a figure to a point directly on the opposite side of a line. The new point is the same distance from the line as it was in the original figure.

This transformation moves every point on a figure around a center by a given angle in a specific direction.

This transformation moves every point in a figure a given distance in a given direction.

This means to turn in the same direction as the hands of a clock. The top turns to the right.

• angle

• vertex

• clockwise

• counterclockwise

This means to turn opposite of the way the hands of a clock turn. The top turns to the left.

• clockwise

• counterclockwise

• transformation

• coordinate plane

This is what we call the result of translations, rotations, and reflections on an object.

• pre-image

• sequence of transformations

• corresponding

• image

What do you call a translation, rotation, reflection, or dilation? What group are they a part of?

This is a SET of translations, rotations, reflections, and dilations on a figure. They are performed in a given order.

• sequence of transformations

• reflection

• image

• congruent

This is a system for telling where points are. For example, point R is located at (3,2) on this, because it is three units to the right and two units up.

• isometric grid

• coordinate plane

• image

• vertical angles