Dilations, Translations and Reflections

Front

Reflecting over the y-axis changes the ____-_____________.

Back

x-coordinate

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

Find K' if the figure is reflected across the x-axis: (1, 4)

Back

(1, -4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

How is triangle ABC being translated to triangle A'B'C'?

Back

down 9, right 4

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

Which one is a reflection over the y-axis?

Back

(x, y) becomes (-x, y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

Reflections over the x-axis change the ____-__________.

Back

y-coordinate

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is a dilation in geometry?

Back

A transformation that alters the size of a figure but not its shape.

Tags

CCSS.8.G.A.3

Front

If a point (x, y) is dilated by a scale factor of k, what is the new point?

Back

(kx, ky)

Tags

CCSS.8.G.A.3

Front

What is the effect of translating a figure 5 units to the right?

Back

Add 5 to the x-coordinate of each point.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What happens to the coordinates of a point (x, y) when reflected over the x-axis?

Back

The new coordinates are (x, -y).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the result of reflecting a point (3, -2) over the y-axis?

Back

(-3, -2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5