question

Triangle QRS is transformed as shown on the graph.
Which rule describes the transformation?

answer

R0, 270°

question

A transformation of ΔDEF results in ΔD'E'F'.
Which transformation maps the pre-image to the image?

answer

The transformation is a rotation.

question

What is the rule for the reflection?

answer

ry-axis(x, y) → (-x, y)

question

Cedric applied the rule to figure WXYZ.
What mistakes did he make? Select two options.

answer

He applied the reflection to the pre-image first.
He used an incorrect angle of rotation around point P.

question

Which statement describes the order of rotational symmetry for an isosceles triangle?

answer

An isosceles triangle has an order 1 rotational symmetry because it does not have all congruent angles.

question

A composition of transformations ΔKLM maps ΔK"L"M" to .
The first transformation for this composition is [________], and the second transformation is a translation down and to the right.

answer

a 270° rotation about point P

question

Square PQRS is transformed as shown on the graph.
Which rule describes the transformation?

answer

R0, 90°

question

Quinton tried to transform triangle FGH according to the rule (x, y) → (-y, x). Which best describes his attempt?

answer

Correct. He transformed the triangle according to the rule (x, y) → (-y, x).

question

Rectangle A'B'C'D' is the image of rectangle ABCD after it has been translated according to the rule T-4, 3(x, y).
Which points are vertices of the pre-image, rectangle ABCD? Select four options.

answer

(-1, -2)
(7, 1)
(-1, 1)
(7, -2)

question

Which figure represents the image of trapezoid LMNP after a reflection across the x-axis?

answer

figure A

question

A square on a coordinate plane is translated 9 units down and 1 unit to the right. Which function rule describes the translation?

answer

T1, -9(x, y)

question

Triangle XYZ with vertices X(0, 0), Y(0, -2), and Z(-2, -2) is rotated to create the image triangle X'(0, 0),Y'(2, 0), and Z'(2, -2).
Which rules could describe the rotation? Select two options.

answer

R0, 90°
(x, y) → (-y, x)

question

What are the coordinates of the image of vertex R after a reflection across the y-axis?

answer

(3, 4)

question

Triangle EFG has vertices E(-3, 4), F(-5, -1), and G(1, 1). The triangle is translated so that the coordinates of the image are E'(-1, 0), F'(-3, -5), and G'(3, -3).
Which rule was used to translate the image?

answer

T2, -4(x, y)

question

Which statements are true about trapezoid ABCD and its translated image, A'B'C'D'? Select two options.

answer

The rule for the translation can be written as T-3, 1(x, y).
The rule for the translation can be written as(x, y) → (x - 3, y + 1).

question

Which rule describes a composition of transformations that maps pre-image PQRS to image P"Q"R"S"?

answer

r y-axisoR0,270º (x,y)

question

Which rule describes the composition of transformations that maps figure ABCDE to figure A"B"C'D"E"?

answer

r m 0 Rc180º

question

Which transformation maps the large triangle onto the small triangle?

answer

dilation

question

A parallelogram is transformed according to the rule (x, y) → (x, y). Which is another way to state the transformation?

answer

R0, 360°

question

Triangle ABC is rotated to create the image A'B'C'.
Which rule describes the transformation?

answer

(x, y) → (-x, -y)

question

The image of trapezoid PQRS after a reflection across line WY is trapezoid P'Q'R'S'.
What is m

answer

90º

question

What are the coordinates of the image of vertex F after a reflection across the line y = -x?

answer

(3, -1)