Transformations

What is the algebraic rule?

• A
• B
• C
• D

Tags

CCSS.HSG.CO.A.2

An entire pre-image that is located in quadrant III is then rotated 90° clockwise about the origin.  In which quadrant will the image fall?

• Quadrant I
• Quadrant II
• Quadrant III
• Quadrant IV

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle RST has vertices R(1, 1), S(1, 4), and T(3, 1). Graph the figure and its rotated image after a counterclockwise rotation of 180° about the origin. What are the coordinates of Tʹ?

• (-3, -1)

• (-3,-2)

• (5,2)

• (5,4)

Which algebraic rule will produce a translation that is 5 units to the right?

• (x, y) --> ( x , y+5)

• (x, y) --> ( x-5 , y+5)

• (x, y) --> ( x-2 , y+5)

• (x, y) --> ( x+5 , y)

Triangle ABC is dilated about the origin to form A’B’C’. If point A is located at ( 10, 12) and point A’ is located at ( 2, 2.4) then what scale factor was used to create this dilation?

• 1/5

• 5

• 1/2

• 2

Determine how to translate triangle ABC to triangle A'B'C'.

• right 2, down five

• right 2, down 9

• left 2, up 9

• left 2, down 5

Determine where x' would be if you translated x; 3 units to the left and 9 units down.

• (-4, 4)

• (-10, 2)

• (-4, -5)

• (-1, 5)

Which answer shows a reflection across the y-axis?

• a
• b
• c
• d

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflections over the x-axis change the sign of the __________.

• y-coordinate

• x-coordinate

• y-axis

• x-axis

A transformation that “turns” a figure about a fixed point at a given angle and a given direction.

• rotation
• translation
• reflection
• dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5