What are translations, reflections, rotations, dilations, and stretches?
200
Find the new coordinates of (10,12) if you translate the point three units left and four units up.
What is (7,16)?
200
Find the new coordinates of (3,-2) after you reflect the point over the x-axis.
What is (-3,-2)?
200
Find the new coordinates of (5,4) after you rotate the point with 180º.
What is (-5,-4)?
200
Find the new coordinates of (3,-2) if you dilate the point with a scale factor of 4.
What is (12,-8)?
200
Which transformation does not result in a congruent figure?
What is a dilation?
300
Write the notation of point (-5,9) after it moves T(x-3,y+7).
What is (-8,16)?
300
Write the notation of point (-1,-9) after it is reflected over the y-axis.
What is (1,-9)?
300
What is the point (2,-3) after it rotates 90º counterclockwise.
What is (3,2)?
300
Determine if a dilation is a transformation of rigid motion. Why or why not?
No. Because a dilation does not preserve distance from pre-image to image.
300
This property changes under a reflection.
What are orientation?
400
Describe the translation for this notation: (x,y) --> (x + 8, y + 4)
What is a translation of 8 units to the right and 4 units up?
400
A picture with one point (-3,4) was reflected over the line y=x. What should be the new coordinates of the point?
What is (4,-3)?
400
Figure QRST has vertices Q(-2,-1), R (-6,-1), S(-6,-3) and T(-2,-3). Which will be the coordinates of Q'R'S'T' after the rectangle is rotated 90º counterclockwise about the origin?
What is Q'(1,-2) R'(1,-6) S'(3,-6) T'(3,-2)?
400
Line segment CD was dilated around the origin by a scale factor of 3. The endpoints of the image are C' (6,0) and D' (9,3). What are the coordinates of the endpoints of the original line segment?
What is C(2,0) and D(3,1)?
400
True or False, in a reflection, every pre-image points always moves to a new image point.
False.
500
Graph ∆LMN after a translation of T<6,-4>.
L(0,3)
M(6,4)
N(3,9)
What is L'(6,-1), M'(12,0), N'(9,5)?
500
Graph rectangle DEFG after a reflection through the origin.
D(5,5)
E(5,8)
F(8,8)
G(8,5)
What is D'(-5,-5), E'(-5,-8), F'(-8,-8), G'(-8,-5)?
500
Graph ∆JKL after a rotation of 270º about the origin.
J(5,6)
K(7,9)
L (1,2)
What is J'(6, -5), K'(9, -7), L'(2, -1)?
500
Graph ∆DEF after a dilation with a scale factor of 0.5.
D(2,8)
E(2,2)
F(6,2)
What is D'(1,4), E'(1,1), F'(3,1)?
500
When a pre-image point doesn't move to a new image point in a rotation.
When the pre-image point is the center of rotation.