Geometry Unit 4

Look at the figures below. The transformation that was used to map ABC to DEF was ​ ​ (a)  

• Reflection across the x axis

• Reflection across the y axis

• Rotation 90º CW

• Translation down 2 units

Tags

CCSS.HSG.CO.A.2

Which of the following pairs best describes a transformation of Figure 1 into Figure 2 followed by a transformation of Figure 2 into Figure 3?

• Reflection, rotation

• Reflection, reflection

• Rotation, rotation

• Rotation, reflection

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Look at the figures below. Which coordinate notation describes the transformation in the graph above?

• (x,y)→(0.5x,0.5y)→(x+9,y-3)

• (x,y)→(2x,2y)→(x+0,y-11)

• (x,y)→(0.5x,0.5y)→(x+0,y-11)

• x,y→2x,2y→(x+9,y-3)

Tags

CCSS.HSG.CO.A.2

Determine if the figure has any lines of symmetry.

The figure has ​ (a)   line(s) of symmetry.

• 2

• 1

• 3

• 4

• 8

Tags

CCSS.4.G.A.3

If this is a right triangle, find the measure of x to the nearest hundredth.

• 42°

• 41.98°

• 41.99°

• 45°

Tags

CCSS.HSG.SRT.C.8

Consider the point (-7,4). What are the coordinates of P', the image of P, after a counterclockwise rotation of 90° about the origin?

• (4,7)

• (-4,7)

• (-4,-7)

• (4,-7)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Point W has coordinates (5,-6) and is reflected over the x-axis. What are the coordinates of the image?

• (-5,6)

• (5,-6)

• (5,6)

• (-5,-6)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which of the following DOES NOT preserve the dimensions of a figure?

• I, II, and III

• I, III, and IV

• IV

• III

Tags

CCSS.HSG.CO.A.2

In a floor design, a triangle shape is created as shown in the lower left quadrant. The design is transformed by reflecting the triangle over the x-axis. What does the design look like?

• 
• 
• 
• 

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Look at the preimage and image below. The coordinate notation for the transformation shown is

(x,y)→(x​ ​ (a)   , y​ ​ (b)   )

• -3

• +3

• +2

• +4

• -2

• -4

Tags

CCSS.HSG.CO.A.2