Geometry Unit 1 Review

Quiz by Kelli Hornberger

Math
Georgia Standards of Excellence

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

MGSE9-12.G.CO.2
MGSE9-12.G.CO.5
MGSE9-12.G.CO.4
MGSE9-12.G.CO.3

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17 questions
• 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)

60s
MGSE9-12.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)

60s
MGSE9-12.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)

60s
MGSE9-12.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

60s
MGSE9-12.G.CO.4
• Q5

Which graph shows a triangle and its reflection image in the x-axis?

60s
MGSE9-12.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)

60s
MGSE9-12.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°

60s
MGSE9-12.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"?

60s
MGSE9-12.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

60s
MGSE9-12.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

60s
MGSE9-12.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

60s
MGSE9-12.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

60s
MGSE9-12.G.CO.3
• Q13

Which regular polygon has a minimum rotation of 45° to carry the polygon onto itself?

pentagon

hexagon

octagon

decagon

60s
MGSE9-12.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 text
60s
MGSE9-12.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

60s
MGSE9-12.G.CO.5

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