ExamView - MA.7.G.4.2.TST

Name: ________________________ Class: ___________________ Date: __________
ID: A
MA.7.G.4.2
____
1. If
a.
b.
____
MNP is translated 3 units to the left and 3 units down, what are the coordinates of its vertices?
(-1, 2), (2, 2), (-1, 6)
(2, -1), (2, 3), (5, -1)
c.
d.
(-1, -1), (-1, 3), (2, -1)
(5, 5), (5, 11), (8, 5)
2. If
JKL is rotated 90 degrees counterclockwise about the origin, what would be the coordinate of
the new vertex K′ ?
a.
b.
(-3, 1)
(-3, -1)
c.
d.
1
(-1, -3)
(-1, 3)
Name: ________________________
____
3. Triangle ABC was transformed to form
ID: A
A′B′C ′ below.
Which transformation is shown here?
a.
b.
____
rotation
reflection
c.
d.
translation
dilation
4. Suppose
PQR is dilated about point Q with a scale factor of 4. Which of the following expressions
can be used to find the length of segment P′R′?
a.
b.
4 ⋅ PR
2 ⋅ PR
c.
d.
2
0.5 ⋅ PR
0.25 ⋅ PR
Name: ________________________
____
5. Triangle DEF is a translation of
ID: A
ABC .
Which of the following describes the translation?
a.
b.
____
1
unit to the left and 4 units down
2
1
4 units to the left and unit up
2
1
unit to the left
2
c.
4 units up and
d.
1
unit to the right and 4 units up
2
6. Triangle ABC was dilated by a scale factor of 2 to form
dilation?
a.
c.
b.
d.
3
DEF . Which graph best represents this
Name: ________________________
____
ID: A
7. The endpoints of AB are at A(0, 0) and B(2, 3).
Which line segment represents a translation of 3 units to the left and 1 unit down?
a.
b.
____
CD
EF
8. Which triangle shows a reflection of
a.
b.
A
B
c.
d.
GH
JK
XYZ across the x-axis?
c.
d.
4
C
D
Name: ________________________
____
ID: A
9. Which of the figures below does NOT show a dilation of Figure A?
a.
c.
b.
d.
____ 10. Point P is located at (2, 5) on a coordinate grid. What are the coordinates of point P after a
translation of 3 units right and 2 units down?
a.
b.
____ 11. If
a.
b.
(5, 3)
(5, 7)
c.
d.
(-1, 3)
(0, 8)
EFG is rotated 180 degrees about the origin, what would be the coordinates of point G′?
(-4, -2)
(-4, 2)
c.
d.
5
(-2, 4)
(-2, -4)
Name: ________________________
ID: A
____ 12. Point Q is located at (-3, 4) on a coordinate grid. What are the coordinates of point Q after a rotation
270 degrees counterclockwise about the origin?
a.
b.
(3, -4)
(4, 3)
c.
d.
(-4, -3)
(3, 4)
____ 13. In which coordinate graph is the white figure a reflection of the gray figure over the x-axis?
a.
c.
b.
d.
____ 14. What are the coordinates of point C in the figure below after a translation of 3 units up and 4 units
left?
a.
b.
(-1, 3)
(1, 3)
c.
d.
6
(6, -4)
(1, -3)
Name: ________________________
ID: A
____ 15. The vertices of
to create
a.
b.
ABC are A(0, 6), B(2, 1), and C(-3, 4). If the figure were reflected across the x-axis
WXY , what would be the coordinates of the vertices of WXY ?
W(-6, 0), X(2, 1), Y(-3, -4)
W(-3, -4), X(2, 1), Y(0, -6)
c.
d.
W(0, -6), X(2, -1), Y(-3, -4)
W(0, 6), X(-2, 1), Y(3, -4)
____ 16. Suppose quadrilateral QRST is dilated about point Q with a scale factor of 2. Which of the following
expressions can be used to find the length of segment S′T′?
a.
b.
4 ⋅ ST
2 ⋅ ST
c.
d.
0.5 ⋅ ST
0.25 ⋅ ST
____ 17. Look at the coordinate grid below. Let trapezoid LMNP rotate clockwise 270° around point P.
Which ordered pair names point L′?
a.
b.
(-1, 1)
(1, 3)
c.
d.
7
(1, -1)
(1, 3)
Name: ________________________
ID: A
____ 18. Darrel draws a right triangle with a height of 9 centimeters and a base of 12 centimeters, as shown
below.
2
Darrel dilates the triangle by a scale factor of . What is the area of the resulting triangle?
3
a.
b.
24 square centimeters
36 square centimeters
c.
d.
8
81 square centimeters
122 square centimeters
ID: A
MA.7.G.4.2
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MA.7.G.4.2
MA.7.G.4.2
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MA.7.G.4.2