Geometry Unit 1 Review

Quiz by Kelli Hornberger

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### Measures 4 skills fromGrade 9-12MathGeorgia Standards of Excellence

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- Q1
Translate 5 units right and 3 units up.

T'(-9, 1), V'(-8, 0), W'(-7, -2), X'(-10, -2)

T'(-1, 3), V'(0, 2), W'(1, 0), X'(-2, 0)

T'(1, -5), V'(2, -6), W'(3, -8), X'(0, -8)

T'(1, 1), V'(2, 0), W'(3, -2), X'(0, -2)

60sMGSE9-12.G.CO.2 - Q2
Reflect over the y-axis.

G'(-2, -1), H'(-6, -3), J'(-5, -6), K'(-3, -5)

G'(-2, 1), H'(-6, 3), J'(-5, 6), K'(-3, 5)

G'(2, 1), H'(6, 3), J'(5, 6), K'(3, 5)

G'(2, -1), H'(6, -3), J'(5, -6), K'(3, -5)

60sMGSE9-12.G.CO.5 - Q3
Rotate 90° counterclockwise about the origin.

N'(-2, 4), P'(-4, 6), Q'(-4, 3), R'(-2, 1)

N'(2, 4), P'(4, 6), Q'(4, 3), R'(2, 1)

N'(4, 2), P'(6, 4), Q'(3, 4), R'(1, 2)

N'(-2, -4), P'(-4, -6), Q'(-4, -3), R'(-2, -1)

60sMGSE9-12.G.CO.5 - Q4
Describe the translation of the point to its image: (5, -9) → (-2, -2)

6 units left, 5 units up

7 units left, 7 units up

5 units left, 10 units up

7 units right, 7 units down

60sMGSE9-12.G.CO.4 - Q5
Which graph shows a triangle and its reflection image in the x-axis?

60sMGSE9-12.G.CO.5 - Q6
Given the transformation of ABCDE to its image A'B'C'D'E'. Which of the following rules expresses the transformation?

f(x, y) → f(x, -y)

f(x, y) → f(-x, -y)

f(x, y) → f(-y, x)

f(x, y) → f(-y, -x)

60sMGSE9-12.G.CO.5 - Q7
A regular pentagon has rotational symmetry. What is the minimum number of degrees a regular pentagon must be rotated about its center in order to prove this?

60°

45°

72°

90°

60sMGSE9-12.G.CO.3 - Q8
Triangle ABC has the following coordiantes: A (6, 2), B (6, -3), and C (3, -2). The triangle is reflected across the y-axis and then translated 3 units to the right to form triangle A"B"C". Which coordinate plane shows triangle A"B"C"?

60sMGSE9-12.G.CO.5 - Q9
Which transformations describe how ΔABC was transformed to create ΔA'B'C' in the picture below?

translation 5 units down and 4 units to the left

translate 5 units down and 1 unit to the right

reflection across the y-axis and translation 5 units down

reflection across the x-axis and clockwise rotation of 90 degrees

60sMGSE9-12.G.CO.3 - Q10
If A'B'C' is the image of ABC, under which transformation will the triangles

*not*be congruent?rotation of 270° counterclockwise about the origin

translation to the left 5 and down 4

reflection over the x-axis

dilation centered at the origin with scale factor 2

60sMGSE9-12.G.CO.2 - Q11
Which sequence of transformations maps ABCD onto A'B'C'D' and then maps A'B'C'D' onto A"B"C"D"?

a reflection followed by a rotation

a translation followed by a reflection

a translation followed by a rotation

a reflection followed by a translation

60sMGSE9-12.G.CO.3 - Q12
In the diagram, congruent figures 1, 2, and 3 are drawn. Which sequence of transformations maps figure 1 onto figure 2 and then figure 2 onto figure 3?

a reflection followed by a translation

a rotation followed by a translation

a translation followed by a rotation

a translation followed by a reflection

60sMGSE9-12.G.CO.3 - Q13
Which regular polygon has a minimum rotation of 45° to carry the polygon onto itself?

pentagon

hexagon

octagon

decagon

60sMGSE9-12.G.CO.3 - Q14
A regular hexagon is rotated about its center. What is the minimum number of degrees in the rotation such that the hexagon will coincide with itself?

Users enter free textType an Answer60sMGSE9-12.G.CO.3 - Q15
Triangle ABC and triangle DEF are graphed on the set of axes. Which sequence of transformations maps ΔABC onto ΔDEF?

a translation 8 units to the right and 1 unit up followed by a 90° counterclockwise rotation about the origin

a 90° clockwise rotation about the origin followed by a reflection over the y-axis

a reflection over the x-axis followed by a reflection over the y-axis

a 180° rotation about the origin followed by a reflection over the line y = x

60sMGSE9-12.G.CO.5