DA#4 Review

Front

What is a transformation in geometry?

Back

A transformation is an operation that moves or changes a shape in some way to create a new shape.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What does it mean to translate a shape?

Back

To translate a shape means to slide it in a straight line from one position to another without rotating or flipping it.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the rule for translating a shape 6 units to the left and 4 units up?

Back

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is a reflection in geometry?

Back

A reflection is a transformation that flips a shape over a line, creating a mirror image.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What happens to the coordinates of a point when it is reflected across the y-axis?

Back

The x-coordinate changes sign, while the y-coordinate remains the same. For example, the point (x, y) becomes (-x, y).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is dilation in geometry?

Back

Dilation is a transformation that changes the size of a shape but keeps its proportions the same.

Tags

CCSS.8.G.A.3

Front

What does it mean for two shapes to be congruent?

Back

Two shapes are congruent if they have the same size and shape, meaning they can be superimposed on each other.

Tags

CCSS.8.G.A.2

Front

What is the difference between congruence and similarity?

Back

Congruent shapes are identical in size and shape, while similar shapes have the same shape but may differ in size.

Tags

CCSS.8.G.A.2

Front

What is the rule for translating a shape down 7 units?

Back

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the effect of a transformation on the area of a shape?

Back

Some transformations, like dilation, can change the area of a shape, while others, like translation and reflection, do not change the area.

Tags

CCSS.HSG.CO.A.2