Rotations & Dilations

In a dilation what mathematical operation is used with the scale factor?

• addition 
• subtraction 
• multiplication 
• division 

Tags

CCSS.8.G.A.3

If you rotate the point (x, y) 90⁰ what would be the coordinates of your image?

• (x, y)
• (-y, x)
• (-x, -y)
• (y, -x) 

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If you rotate the point (x, y) 270⁰ what would be the coordinates of your image?

• (x, y)
• (-y, x)
• (-x, -y)
• (y, -x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If point W has been dilated by a scale factor of 5 what is coordinate of it's image? 

• (0, -3)
• (0, -10)
• (0, -15
• (0, -20)

Tags

CCSS.8.G.A.3

If point L has been dilated by a scale factor of 2/3 what is coordinate of it's image? 

• (-6, -3)
• (-3, -6)
• (-4, -2)
• (-2, -4)

Tags

CCSS.8.G.A.3

If point R has been dilated by a scale factor of -5/4 what is coordinate of it's image? 

• (-1, 3)
• (3, -1)
• (-1.25, 3.75) 
• (1.25, -3.75

Tags

CCSS.8.G.A.3

If point D has been dilated by a scale factor of -7 what is coordinate of it's image? 

• (3, 2)
• (-3, 2)
• (21, 14)
• (-21, -14)

Tags

CCSS.8.G.A.3

The red triangle has been dilated by a scale factor of 1/4, which triangle is it's image? 

• green triangle 
• red triangle 
• black triangle
• none of these 

Tags

CCSS.8.G.A.3

The black triangle has been dilated by a scale factor of 2, which triangle is it's image?

• green triangle
• red triangle 
• black triangle 
• none of these 

Tags

CCSS.8.G.A.3

Which figure is the image of HIJK rotated -270^0?

• ABDE
• SCKP
• HIJK
• NOML

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5