Unit 1 Transformations in the Coordinate Plane

Identify the transformation from ABCD to A'B'C'D'.

• Translation
• Reflection across the x-axis
• Reflection across the y-axis
• 90^o counter clockwise rotation

Identify the transformation from ABC to A'B'C'.

• (x+8, y+4)
• (x-8, y-4)
• (x+4, y+8)
• (x-4, y-8)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Level 3: Identify the transformation.

• Rotation (Turn)

• Reflection (Flip)

• Translation (Slide)

• None of the Above

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

Level 3: Identify the transformation.

• Reflection (Flip)

• Translation (Slide)

• Rotation (Turn)

• None of the Above

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

Identify the transformation from ABC to A'B'C'.

• 90^o clockwise rotation
• 90^o counter clockwise rotation
• Reflection across the y-axis
• Reflection across the x-axis

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

What does a translation do to a figure on the coordinate plane?

• Rotates it
• Flips it
• Shrinks it
• Slides it

Point A of triangle ABC is at (3, 2). If triangle ABC is reflected about the y-axis, what are the

coordinates of point A’ ?

• ( 3 , -2)

• ( -3 , 2)

• ( -2 , -3 )

• ( 2 , 3 )

Which coordinate notation correctly describes a transformation that maps the black triangle to the gray triangle?

• The rotation (x, y) → (-x, -y)

• The translation (x, y) → (x + 6, y - 2)

• The rotation (x, y) → (-y, -x)

• The translation (x, y) → (x + 4, y - 8)

A regular pentagon is centered about the origin and has a vertex at (0, 4). Which transformation maps the pentagon to itself?

• a reflection across line m

• a reflection across the x-axis

• a clockwise rotation of 100° about the origin

• a clockwise rotation of 144° about the origin

Tags

CCSS.HSG.CO.A.2

CCSS.HSG.CO.A.3

CCSS.HSG.CO.A.5

CCSS.HSG.CO.B.6

A trapezoid is shown in the coordinate plane. Which of the following gives the line or lines of symmetry about which the trapezoid can be reflected in order to map the trapezoid onto itself?

• y = x

• x = 4

• x = 4 and y = 2

• x = 0 and y = 0

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3