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Geometry Exam Questions

Rebekah Wood avatar Rebekah Wood
5 September 2022
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22 test answers

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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)