Chapter 6 Transformations

Triangle GHI is reflected across the x-axis.  What are the coordinates of I'?

• (-2, 6)

• (2, 6)

• (-6, -2)

• (6, 2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A triangle has vertices A(0,0), B(8,0), C(3,-2). Find the coordinates of the triangle after a dilation with a scale factor of  4. The dilation is (X,Y) --- (4x,4y)

• A(3,3), B(4,4), C(-3,-4)

• A(-4,8), B(6.5,8), C(7,7)

• A(0,0), B(32,0), C(12,-8)

Tags

CCSS.8.G.A.3

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.HSG.CO.B.6

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.HSG.CO.A.2

What is the algebraic representation of translating a figure 3 units left and 5 units down?

• (x+5, y-3)

• (x-5, y+3)

• (x-3, y+5)

• (x-3, y-5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

When translating a figure on a coordinate plane, which coordinate is affected by movement up and down?

• The x-coordinate

• The y-coordinate

• Neither

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

When translating a figure on a coordinate plane, which coordinate is affected by movement left and right?

• The x-coordinate

• The y-coordinate

• Neither

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Describe the translation of Point A (3, -8) to A'(-4, -5).

• (x-4, y-5)

• (x+7, y-3)

• (x-7, y+3)

• (x-3, y+7)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the algebraic representation for reflecting a figure over the x-axis?

• (x, y) --> (x, -y)

• (x, y) --> (-x, -y)

• (x, y) --> (-x, y)

• (x, y) --> (y, -x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which point shows a reflection of point      Y(-5, -7) over the y-axis?

• (5, -7)

• (-5, -7)

• (5, 7)

• (5, 7)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5