Exploring Transformations in Geometry

What type of transformation is this?

• Rotation

• Reflection

• Translation

• Enlargement

Tags

TEKS.MATH.8.10C

Reflect Point C over the y-axis:

• (-3, 2)

• (3,2)

• (-2,3)

• (3,0)

Tags

TEKS.MATH.G.3A

The rule for reflection over the y-axis is   (x, y) --> _

• (-x, y)

• (x, -y)

• (y, x)

• (-y, x)

Tags

TEKS.MATH.G.3A

∆QRS contains the points: Q(4, 2) R(5, 1) S(3,7). If the triangle is reflected across the x-axis, what will Q' be?

• Q'(4, 2)

• Q'(-4, 2)

• Q'(-4, -2)

• Q'(4, -2)

Tags

TEKS.MATH.G.3A

What is the rule for reflecting across the Y AXIS

• (x, y) --> (-x , y)

• (x, y) --> (-x , -y)

• (x, y) --> (x , y)

• (x, y) --> (x, -y)

Tags

TEKS.MATH.G.3A

Find K' if the figure is reflected across the x-axis

• (4, 1)

• (-1, -4)

• (1, -4)

• (1, 4)

Tags

TEKS.MATH.G.3A

If the dotted figure is the image, the original figure was reflected over the ...

• x-axis

• y-axis

Tags

TEKS.MATH.G.3A

A reflection is also called a:

• Slide
• Flip
• Turn
• Spin

Tags

TEKS.MATH.G.3A

What is a reflection?

• When you turn an object around a point.
• When you slide an object form one place to another.
• When you flip or mirror an object across a line.
• When you resize an object.

Tags

TEKS.MATH.G.3A

Which rule shows a reflection over the x-axis?

• (x, y) --> (-x, y)

• (x, y) --> (-x, -y)

• (x, y) --> (x, -y)

• Not here

Tags

TEKS.MATH.G.3A