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Transcript
Name_________________________________
1.
PARCC Review
Select the drop-down menus to correctly complete each sentence.
The set of all points in a plane that are equidistant from a given point is called a
The given point is called the
Radius
Area
Center
Perimeter
2.
Select from the drop-down to correctly complete each sentence.
Given distinct noncollinear points A, B, and C, the set of all points between A and C including A and C is
3.
Which geometric figures have a measurable quantity?
Select each correct answer.
4.
A.
line
B.
angle
C.
point
D.
line segment
Using a compass and a straightedge, a student constructed a triangle in which Μ…Μ…Μ…Μ…
π‘‹π‘Œ one is one of those sides.
Μ…Μ…Μ…Μ… using X and Y as the centers. The
The compass is opened to a set length and two intersecting arcs are drawn above π‘‹π‘Œ
intersection of the two arcs is labeled as a point Z.
Part A
What could be the set length of the compass so that is triangle XYZ isosceles but not equilateral?
Select all that apply
A.
less than ½ XY
B.
equal to ½ XY
C.
between ½ XY and XY
D.
equal to XY
E.
greater than XY
Part B
Select the correct phrase to complete the sentence
If the opening of the compass is
then βˆ†π‘‹π‘Œπ‘ will be equilateral
1
5.
Jericho is making several constructions based on the segment shown.
Part A
For his fist construction, Jericho made the markings shown with a compass open to a less than the length of segment
Μ…Μ…Μ…Μ…. Jericho’s markings are useful for the construction of which of the figures listed?
𝑃𝑄
Select all that apply
A.
a 60° angle
B.
Μ…Μ…Μ…Μ…
a bisector of 𝑃𝑄
C.
Μ…Μ…Μ…Μ…
line perpendicular to 𝑃𝑄
D.
Μ…Μ…Μ…Μ… as one diagonal
a rhombus with 𝑃𝑄
E.
Μ…Μ…Μ…Μ…
an equilateral triangle with side 𝑃𝑄
Part B
The first steps of Jericho’s second’s construction are shown. After drawing arcs from point S and point R, he adjusted
Μ…Μ…Μ…Μ…and βƒ—βƒ—βƒ—βƒ—βƒ—
the compass length using the intersection of the arc from point S with 𝑃𝑄
𝑆𝑅. Which figure is he constructing?
A.
Μ…Μ…Μ…Μ…Μ…through point R
the bisector of 𝑃𝑄
B.
an angle congruent toβˆ π‘…π‘ƒπ‘„ with vertex R
C.
Μ…Μ…Μ…Μ…Μ…
a line through point R that is parallel to 𝑃𝑄
D.
a circle containing points P, Q ,and R
2
6.
Quadrilateral ABCD is shown graphed in the xy- coordinate plane.
Part A
Quadrilateral ABCD will be translated according to the rule (π‘₯, 𝑦) β†’ (π‘₯ + 3, 𝑦 βˆ’ 4) to form
A’B’C’D’.
Select the correct orientation of A’B’C’D’ and place it correctly on the plane.
Part B
Quadrilateral ABCD maps onto A”B”C”D” .It will undergo a different transformation that will map. 𝐴(βˆ’6,3) to A”,
B(-4,5) to B”, C (-1,6) to C” , and D (-3,2) to D” .The transformation will consist of a reflection over the y-axis followed
by a translation. Point D” is shown plotted in the plane after the transformation.
Plot the point A” in the plane.
3
7.
Part A
Line l passes through the (-4,-7) and (2, -3) points on the coordinate plane.
Line m passes through the points (-4,1) and (2,w).
For what value of w is line m parallel to line l?
Enter your answer in the box.
Part B
Given the figure, write the expression that can replace t and will guarantee that lines j and k are parallel.
Support your answer.
4
8.
The diagram shows regular hexagon ABCEF with center at O.
Justine made these claims.
The only lines of symmetry for regular hexagon ABCDEF are the lines that contain one vertex and O.
The only angle of rotation that shows rotational is 120°
Explain why Justine is correct or incorrect.
Enter your explanation is the space provided.
9. Triangle JKL will undergo a transformation to create triangle J’K’L’ in the xy- coordinate plane. Which
transformations will result in βˆ†π½πΎπΏ β‰… βˆ†π½β€²πΎβ€²πΏ"
A.
(x ,y) οƒ  (-x,-y)
B.
(x, y) οƒ  (-x ,y)
C.
(x, y) οƒ  (x, y - 5)
D.
(x, y) οƒ  (x + 3, y – 5)
E.
(x, y)οƒ  (2x, 3y)
F.
(x, y) οƒ  (-x, y + 3)
5
10. In the figure, p ǁ q. Transversals t and intersect at point L.
Part A
What is the missing reason in step 3?
A.
Alternate interior angles along parallel lines are
congruent.
B.
Alternate interior angles along parallel lines are
congruent.
C.
Corresponding angles along parallel lines are congruent
D.
Vertical angles are congruent
Part B
Consider the proof of 𝑝 β€– π‘ž given that βˆ† 𝐿𝐻𝐾 ~ βˆ† 𝐿𝐽𝑍. If βˆ† 𝐿𝐻𝐾 ~ βˆ† 𝐿𝐽𝑍, then ∠ 𝐿𝐻𝐾 β‰… ∠ 𝐿𝐽𝑍, because corresponding
angles in similar triangles are congruent.
Which statement concludes the proof?
A.
If ∠𝐿𝐻𝐾 β‰… βˆ πΏπ½π‘ then 𝑝 β€– π‘ž because when base angles are congruent, the lines are parallel.
B.
∠𝐿𝐻𝐾 β‰… βˆ πΏπ½π‘ then 𝑝 β€– π‘ž because when corresponding angles are congruent, the lines are parallel
C.
If ∠𝐿𝐻𝐾 β‰… ∠𝐿𝐾𝐻 then 𝑝 β€– π‘ž because when alternate exterior angles are congruent, the lines are parallel
D.
If βˆ π½πΏπ‘ β‰… ∠𝐻𝐿𝐾, then 𝑝 β€– π‘ž because when corresponding angles are congruent the lines are parallel
11. Triangle ABC is shown in the xy- coordinate plane. The triangle will be translated 2 units down and 3 units right to create
triangle A’B’C’. Indicate whether each of the listed parts of the image will or will not be the same as the corresponding past
in which the preimage (triangle ABC) by selecting the appropriate box in the table.
6
12. The right triangle in the coordinate plane is rotated 270° clockwise about the point (2, 1) and then reflected across the yaxis to form triangle A’B’C. Drag and drop the appropriate orientation for triangle A’B’C into the correct position on the
coordinate plane (sketch it).
13. Triangle ABC is graphed in the xy- coordinate plane, as shown.
Part A
Triangle ABC is reflected in the x- axis to form triangle A’B’C’. What are the
coordinates of C’ after the reflection?
A.
(-6, 4)
B.
(3, -2)
C.
(4, -6)
D.
(6, -4)
Part B
Triangle ABC in the xy- coordinate plane will be rotated 90 degrees counterclockwise
about point A to form triangle A”B”C”. Which graph represents A”B”C”?
7
14. An incomplete proof of the theorem that the sum of the interior angles of a triangle is 180 degrees is shown.
Part A
What is the appropriate reason for the statement in step 1?
o
A. Through any two points, there is exactly one line
o
B. Though a point not on a line. There is exactly one line parallel to the given line
o
C. If two lines cut by a transversal form congruent corresponding angle, then the lines are parallel.
o
D. If two lines cut by a transversal form congruent alternate interior angles, then the lines are parallel.
Part B
Which pairs of angles congruence or equalities should be used for the statement in step 2?
Indicate all such pairs.
A.
∠1 β‰… ∠2 π‘œπ‘Ÿ π‘šβˆ 1 = π‘šβˆ 2
B.
∠1 β‰… ∠3 π‘œπ‘Ÿ π‘šβˆ 1 = π‘šβˆ 3
C.
∠1 β‰… ∠4 π‘œπ‘Ÿ π‘šβˆ 1 = π‘šβˆ 4
D.
∠1 β‰… ∠5 π‘œπ‘Ÿ π‘šβˆ 1 = π‘šβˆ 5
E.
∠2 β‰… ∠3 π‘œπ‘Ÿ π‘šβˆ 2 = π‘šβˆ 3
F.
∠2 β‰… ∠4 π‘œπ‘Ÿ π‘šβˆ 2 = π‘šβˆ 4
G.
∠2 β‰… ∠5 π‘œπ‘Ÿ π‘šβˆ 2 = π‘šβˆ 5
H.
∠3 β‰… ∠4 π‘œπ‘Ÿ π‘šβˆ 3 = π‘šβˆ 4
Part C
Select from the drop down menu to correctly complete the sentence.
The reason for the statement in step 2 is that
Part D
Select from the drop down menu to correctly complete the sentence. The appropriate reason for the statement in
step 5 is the
8
15. Octagon PQRSTVWZ is a regular octagon with its center at point C.
Which transformations will map octagon PQRSTVXZ onto itself?
Select each correct transformation
A.
Μ…Μ…Μ…Μ…
reflecting over 𝑄𝑉
B.
Μ…Μ…Μ…Μ…Μ…
reflecting over π‘…π‘Š
C.
reflecting over Μ…Μ…Μ…Μ…
𝑇𝑍
D.
rotating 45° clockwise around point Z.
E.
rotating 135° clockwise around point C
F.
rotating 90° counterclockwise around point C.
16. Part A
βˆ†ABC meets the given criteria
ο‚·
The perimeter of βˆ†ABC is 50 units,
ο‚·
Only two of the sides have the same length
ο‚·
The third side is 16 units long, given in the
diagram
What are the coordinates of point C that will meet the
criteria for βˆ†ABC?
o
A ( 6.25,8 )
o
B ( 8, 6.25 )
o
C ( 8, 15 )
o
D ( 15, 8 )
Part B
Point C is placed at (12, 16) and point B is moved along
the x-axis. Triangle ABC is still an isosceles triangle and point A is still at the origin. What is the new perimeter of
βˆ†ABC? Provide valid mathematical reasoning and calculations to support your answer.
Enter your answer, your reasoning, and your calculations in the space provided
9
17. Given: In triangle ABC shown,
Part A
Select from the drop down menus to correctly complete step 2 of the proof.
Part B
Select from the drop down menus to correctly complete step 4 of the proof.
Part C
Select from the drop-down menus to correctly complete step 5 of the proof.
because of
Part D
What is the correct reason for the statement in step 6?
A.
The transitive property of congruence
B.
base angles of isosceles triangles are congruent
C.
corresponding parts of congruent triangles are congruent
D.
vertical angles are congruent
10
18. In the diagram, quadrilaterals FBAG and CDEF are rectangles
How long is DE rounded to the nearest tenth? HINT – label what you know and then look for similar triangles.
Enter your answer in the box.
19. Triangle ABC has sides with lengths of 3, 6 and 8. Classify each of the transformations described as producing a
triangle similar to triangle not similar to triangle ABC.
Drag and drop each transformation into the appropriate box (use the numbers 1-4):
1
2
3
4
11
20. Point A is located at -3, and point B is located at 19.
Select a point on the number line between A and B such that the distance from A to the point is 3/11 of the distance
from A to B.
Select a place on the number line to plot the point.
21. A computer monitor is 20 inches wide. The aspect ratio, which is the ratio of the width of the screen to the height of
the screen, is 16:9. What is the length of the diagonal of the screen, to the nearest whole inch?
Enter your answer in the box
22. In the xy- coordinate plane shown, line l passes through point C and has a slope of -2.
A dilation of line l with center A and a scale factor of 3 will produce a new line through point C’, the image of point C
with coordinates
(
,
)
and with a slope of
12
23. Triangle P is dilated from center A by a scale factor of 2 to form triangle Q. The vertices from triangle P
are (-2,1), (2,4) and (2,1). The vertices for triangle Q are (-1,-3), (7,3) and (7,-3). Graph point A, the center
of the dilation. Select the point on the coordinate plane.
24. Triangle ABC is dilated from the center A by a factor not equal to 1 to form triangle AKL. Which of the
statements must be true?
Select all that apply.
A. Μ…Μ…Μ…Μ…
𝐴𝐡 and Μ…Μ…Μ…Μ…
𝐴𝐾 line on the same line
B.
Μ…Μ…Μ…Μ… is parallel to the line containing 𝐾𝐿
Μ…Μ…Μ…Μ… l
The line containing 𝐡𝐢
C.
∠𝐴𝐡𝐢 β‰… ∠𝐴𝐢𝐡
D.
∠𝐴𝐡𝐢 β‰… ∠𝐴𝐾𝐿
E.
βˆ†π΄π΅πΆ~βˆ†π΄πΎπΏ
F.
βˆ†π΄π΅πΆ β‰… βˆ†π΄πΎπΏ
13
25. The diagram shows Μ…Μ…Μ…Μ…Μ…
𝑀𝑁 graphed on a coordinate plane.
Point P lies on Μ…Μ…Μ…Μ…Μ…
𝑀𝑁 and is ¾ of the way from M to N. What are
the coordinates of point P? Enter only your answer.
26. The figure shows line segment JK and a point P that is not collinear with points J and K.
Suppose that line segment J’K’ is the image of line segment JK after
a dilation with scale factor of 0.5 that is centered a point P. Which
statement best describes the position of line segment J’K’?
A. Line segment J’K’ is parallel to line segment JK
B.
Line segment J’K’ is perpendicular to line segment JK.
C.
Line segment J’K’ intersects line segment JK at one point, but is not perpendicular to line
segment JK.
D. Line segment J’K’ lies on the same line as line segment JK.
27. Triangle APQ is the image of βˆ†ABC under a dilation centered at vertex A with scale factor ½. Triangle RBT is the
image of βˆ†ABC under a dilation centered at vertex B with scale factor ¾. Which statement about βˆ†ABC, βˆ†APQ, and
βˆ†RBT is correct?
A.
All these triangles are similar
B.
None of the triangles are similar
C.
Triangles APQ and RBT are not similar because they were dilated using different scale factors.
D.
Triangles APQ and RBT are not similar because they were dilated with different centers of dilation.
Μ…Μ…Μ…Μ…Μ… after the
28. A dilation of a center P (0, 0) and a scale factor k is applied to MN. Let M’N’ represent the image of 𝑀𝑁
dilation.
Select each correct statement.
A.
If k > 0, then M’N’ > MN
B.
If k > 1, then M’N’ > MN
C.
If 0 < k < 1, then M’N’ < MN
D.
D. If 0.5 < k < 1.5, then M’N’ < MN
E.
E. If k =1, then M’N’ = MN
F.
F. If k = 0.5, then M’N’ 0.5( MN )
14
29. Given the two triangles shown, find the value of x.
Select from the drop-down menu to correctly complete the sentence.
The value of x is
Μ…Μ…Μ…Μ… into two parts so that the ratio of the length of π‘‹π‘Œ
Μ…Μ…Μ…Μ… to
30. Points X and Z are on a number line, and point Y partitions π‘‹π‘Œ
Μ…Μ…Μ…Μ… is 5:7. The coordinate of X is 1.3, and the coordinate of Y is 3.8. What is the coordinate of Z?
the length of π‘Œπ‘
Enter your answer in the box.
15