Transformations w/o Rotations - Re-Assessment

Which of the following transformations ALWAYS has congruent properties? (click more than one!)

• Reflection

• Dilation

• Translation

• Rotation

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Which transformation does NOT preserve congruence?

• Dilation

• Translation

• Rotation

• Reflection

Tags

CCSS.HSG.CO.A.2

What happens if a figure does NOT preserve congruence?

• the size or shape changes

• the size and shape stays the same

Tags

CCSS.HSG.CO.A.2

Which transformation does NOT preserve congruence?

• reflection over the x-axis

• translation 2 units left and 5 units right

• dilation by a scale factor of 5

• 90 degree rotation

Tags

CCSS.HSG.CO.A.2

The figure is dilated by a scale factor of  $\frac{2}{3}$  . Which algebraic expression could be used to find the new location of point A'?

•  $\left(3x,\ 3y\right)$  

•  $\left(x+2,\ y+3\right)$  

•  $\left(\frac{2}{3}x,\ \frac{2}{3}y\right)$  

•  $\left(x\ +\ \frac{2}{3},\ y\ +\ \frac{2}{3}\right)$  

Tags

CCSS.HSG.CO.A.2

Dilated point A (5, 4) by a scale factor of  $\frac{3}{2}$  .

• A' (7.5, 6)

• A' (6, 7.5)

• A' (5, 4)

• A' (3, 2)

Tags

CCSS.8.G.A.3

If a point is translating UP 8 units, what are the new coordinates expressed as an algebraic representation?

• (x, y + 8)

• (x + 8, y)

• (x + 8, y + 8)

• (x, y - 8)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which picture represents a figure that was reflected over the y-axis?

• 
• 
• 
• 

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If Triangle ABC was reflected across the x-axis, what would be the new coordinates for A'?

• A' (2, 3)

• A' (3, 2)

• A' (-3, 2)

• A' (-2, 3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle ABC is reflected over the Y-AXIS, what are the new coordinates for (x,y)?

• (-x, y)

• (-x, -y)

• (x, -y)

• (y, x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5