CRCT-Review Math Question Preview (ID: 17963)
Unit 1- Transformations.
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A reflection is a :
a) turn
b) flip
c) slide
d) rotate
Square ABCD has vertices, A (-2,2), B(2,2), C (2,-2), D (-2,-2), What would be the coordinates of point A with a translation of 3 units to the left?
a) (-3,2)
b) (-2,5)
c) (-2,-2)
d) (-5,2)
Square ABCD has vertices, A (-2,2), B(2,2), C (2,-2), D (-2,-2), What would be the coordinates of point B with a translation of 4 units to the right?
a) (4,2)
b) (6, 2)
c) (-2, 5)
d) (-6,-2)
Square ABCD has vertices, A (-2,2), B(2,2), C (2,-2), D (-2,-2), What would be the coordinates of point C with a reflection across the X-axis?
a) (1, 1)
b) (-2, 2)
c) (1, 2)
d) (2 ,2)
Square ABCD has vertices, A (-2,2), B(2,2), C (2,-2), D (-2,-2), What would be the coordinates of point A with a 180 degrees rotation?
a) (2, -2)
b) (3, -2
c) (2, ,2)
d) (-,2, 3)
When a figure is reflected across the X-axis how does the length of the sides in the original (prime) figure compare to the length of sides in its image?
a) length of the side facing the original figure stays the same
b) the length of all the sides remain the same
c) the length of the sides become negative
d) the length of the sides double because of the reflection
Triangle is dilated with a scale factor of 4 and the center of dilation is the origin. If the coordinates of the vertices of triangle ABC are A(4, 8), B(12, 8), C(16, 20), what are the coordinates of the vertices of the image after dilation?
a) (Image) A(16, 32), B(48, 32), C(64, 80)
b) (Image) A(16, 32), B(48, 8), C(48, 80)
c) (Image) A(8, 12), B(16, 12), C(20, 24)
d) (image) A (1, 2), B(3, 2), C(4, 5)
With original (prime) coordinates of (2,2), (4.0), (3,5), (6.4) and coordinates of the image (3,-1), (5,-3), (4,2), (7,1)
a) reflection
b) translation
c) rotation
d) dilation
Congruent polygons have the :
a) same shape but different angel measures
b) angels or the same, but the shape may be different
c) same shape and size with equal corresponding sides and angles
d) same size but different angle measures
Which is not a rigid or congruent transformation?
a) translation
b) rotation
c) dilation
d) reflection
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