WorksheetsChapter 4 Test
Total questions: 16
Worksheet time: 3hrs 40mins
Describe a congruency transformation according to the mapping.
ΔABC →ΔSTUReflection over y = x
Rotation 90º ccw
Translation (x -3, y - 7)
Rotation 180º
Identify the transformation from ΔABC to ΔA'B'C'.
R90ºcw
R90ºccw
r y-axis
r x-axis
Find A' , the image of point A(-4, 1) after the composite transformation:
R90°ccw→ ry=−x
A'(-1, -4)
A'(-4, -1)
A'(1, 4)
A'(4, 1)
If the coordinates of point P(2, -3) , then what are the image, P', coordinates after the composition:
R90ºccw --> R180º
P'(-2, 3)
P'(-2, -3)
P'(3, -2)
P'(-3, -2)
Which rotation is equivalent to R270ºccw ?
R90ºcw
R180ºccw
R270ºcw
R180ºcw
Is the dilation from A to B an enlargement or a reduction?
enlargement
reduction
What is the scale factor of the dilation from A to B ?
k = 6
k = 3
k = 1/6
k = 1/3
Translate the blue shape to the green shape...
T(-3, -3)
T(3, 3)
T(2, 3)
T(-2, -3)
State the line of reflection.
ry-axis
rx-axis
ry = x
ry = -x
Find K' if the figure is reflected across the x-axis.
K'(4, 1)
K'(-1, -4)
K'(1, -4)
K'(1, 4)
Reflect Point C over the y-axis:
C'(-3, 2)
C'(3,2)
C'(-2,3)
C'(3,0)
B(-2, -4)
Reflect over the line y = x
B'(2, -4)
B'(-4, 2)
B'(-4, -2)
B'(4, 2)
What point do you get if you reflect the point M( -6,1) over the line y = -x?
M'(-1,-6)
M'(6,-1)
M'(1,6)
M'(-1,6)
Find K' if K(7, 8) is rotated around the origin 90°ccw.
K' (-7, -8)
K' (8, -7)
K' (-8, 7)
K' (8, 7)
The point (8, 12) was dilated to become point (2, 3). What was the scale factor?
k = ½
k = ¼
k = 4
k = 2
ΔABC has been dilated to ΔA'B'C'.
What is the scale factor?
k = 2
k = 3
k = 1/2
k = 1/3
