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- Unit 3 writing Assignment

Devin B.

Changes the position of a shape on a coordinate plane by reflection, translation, or Rotation.

Every point of the pre-image is moved the same distance and the same direction to create the image.

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Flip of an object over a line.

the way an object is facing after a transformation.

The original figure of the transformation.

A directed line segment

To repeat a shape over and over again covering a plane without any gaps or overlaps.

number configuration of regular polygons that meet at a common vertex

a mathematical statement that states the equality of two expressions

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measures steepness of a line: rise over run

Substitution Method

solve one equation for one of the variables and substitute the value obtained into the other equation eliminating one of the variables, leaving an equation in one unknown.

turning an object about a point

The resulting figure of a transformation.

device used to find lines of symmetry

An image can be rotated around a point so that that exact image can appear 2 or more times.

A mathematical expression that has an equal sign and linear expressions.

A sum or difference of mathematical terms that may use numbers, variables, or both.

A collection of two or more equations with a same set of unknowns

y= mx+b

location of a point on the coordinate system.

One variable is *eliminated* by *adding* or *subtracting* the equations.

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