Vocabulary
Translations
Reflections
Rotations
Angles
100

What is the name for a transformation that slides a figure without turning it?

Translation
100

What is the rule for translating a point 4 units to the right and 3 units up?

(x, y) --> (x + 4, y + 3)

100

What is the rule for reflecting a point across the x-axis?

(x, y) --> (x, -y)

100

What is the rule for rotating a point 90 degrees CCW about the origin?

(x, y) --> (-y, x)

100

What is the sum of the interior angles of a triangle?

180 degrees

200

What is the name for a transformation that flips a figure across a line?

Reflection

200

What is the rule for translating a point 5 units down and 2 units right?

(x, y) --> (x + 2, y - 5)

200

What is the rule for reflecting a point across the line y = x?

(x, y) --> (y, x)

200

Wha is the rule for rotating a point 180 degrees about the origin?

(x, y) --> (-x, -y)

200

A triangle has two angles measuring 40 degrees and 75 degrees. What is the measure of the third angle?

65 degrees

300

Which transformation always preserves both size and orientation?

Translation

300

Translate point B(-3, -1) left 2 units and down 5 units. What are the coordinates of B'?

(-5, -6)

300

Reflect point C(4, 2) across the x-axis. What are the new coordinates?

(4, -2)

300

Rotate point E(2, 3) 90 degrees CCW about the origin. What are the new coordinates?

(-3, 2)

300
A triangle has one angle of 90 degrees and another of 32 degrees. What is the measure of the third angle?

58 degrees

400

What word describes two figures that have the same size and shape?

Congruent

400

Triangle XYZ has vertices X(0, 1), Y(1, 3), Z(3, 0). Translate it 3 units right. Give the new coordinates.

X'(3, 1), Y'(4, 3), Z'(6, 0)

400

Reflect point D(-5, -3) across the y-axis. What are the new coordinates?

(5, -3)

400

Rotate triangle R(1,1), S(2, 3), T(4, 2) 90 degrees CW about the origin. Give the new coordinates.

R'(1, -1), S'(3, -2), T'(2, -4)

400
A triangle has one angle measuring 60 degrees. One of the exterior angles of the triangle measures 130 degrees. What is the measure of the other non-adjacent interior angle?

70 degrees

500

What do we call the transformation that preserves distance between two points and angle measure, but may change orientation?

Rigid transformation

500

Quadrilateral M(1, 2), N(3, 2), O(3, 5), P(1, 5) is translated 2 units left and 4 units down. Give the new coordinates.

M'(-1, -2), N'(1, -2), O'(1, 1), P'(-1, 1)

500

Reflect triangle P(1, 2), Q(3, 2), R(2, 5) across the line y = -x. What are the new coordinates of triangle P'Q'R'?

P'(-2, -1), Q'(-2, -3), R'(-5, -2)

500
A point is rotated 90 degrees CCW, then reflected across the y-axis. If the original point was (2, -5) what are the final coordinates?

(-5, 2)

500

A triangle has one angle measuring 45 degrees. One of the exterior angles of the triangle measures 150 degrees. What is the measure of the other non-adjacent interior angle?

105 degrees

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