Transformations Dilations Reflections Translations

Point T(9, -7) is translated by the rule (x, y) --> (x - 12, y - 11). What are the coordinates of T'?

• (-3, -18)

• (-3, 4)

• (-3, 18)

• (3, 4)

• (3, 18)

Point K(3, -6) is reflected over the y-axis. What is the coordinates of K'?

• (-3, -6)

• (-3, 6)

• (3, 6)

• (3, -6)

• not here

Point B(-7, -12) is reflected over the x-axis. What are the coordinates of B'?

• (7, 12)

• (-7, 12)

• (7, -12)

• (-7, -12)

A figure is dilated so that point C(2, 9) becomes C'(8, 36). what is the rule for this transformation?

• (x, y) --> (1/4x, 1/4y)

• (x, y) --> (4x. 4y)

• (x, y) --> (x + 6, y + 27)

• Not here

• (x, y) --> (x - 6, y - 27)

Plot triangle PQR with points P(-7,-5), Q(-1,-2), R(-1,-5). Rotate the triangle 90 degrees counterclockwise about the origin, then reflect the rotated image over the x-axis. What are the coordinates of the reflection?

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

​ (a)   , ​ (b)  

• left 2

• up 9

• right 2

• down 9

Where would A' be if you translated A 3 units to the right and 4 units down?

Determine the image of B after it's first dilated by a scale factor of 1/2 and then translated by the rule

(x, y) → (x + 3, y − 1)

• (5, -2)

• (7, -3)

• (2, -1)

• (2, 1)

• A

• B

• C

• D

• A

• B

• C

• D