Rules
The rule for a reflection over the x-axis is (x,y) becomes ______
What is (x,-y)?
The preimage of A is (3, –7), the image of A′ is (3, 7). The image was reflected across the ______.
What is the x-axis?
A transformation that moves all points the same distance and same direction
What is a translation?
A triangle has _____ lines of symmetry.
What is three?
A dilation with the scale factor on 3/2 is called _____
What is an enlargement?
The rule for a rotation of 90o is (x,y) becomes ______
What is (-y,x)?
Point K(-2,1) is rotated 90o, the coordinates of K' would be _____.
What is (-1,-2)?
A reflection in two parallel lines will result in this.
What is a translation?
A square has _____ lines of symmetry.
What is 4?
If A'B'C' is the image of ABC under a dilation with the center at (0,0). If BC is 6 units long and B'C' is 2 units. The scale factor would be _____.
What is 1/3?
The rule for a rotation of 180o is (x,y) becomes ______
What is (-x,-y)?
The point Y with coordinates (–8, 6) is rotated about the origin to Y'(8, –6). The point was rotated ______ degrees.
What is 180?
Find the image of A(3,7) under a translation along the vector <-4,2>.
What is A'(-1,9)?
The order and magnitude of the rotational symmetry in a regular pentagon
What is 5 and 72o?
Find the coordinates of X′ with X(6, 5) for a dilation centered at the origin with a scale factor of 2.
What is (12,10)?
The rule for a translation along the vector <a,b> is (x,y) becomes ______
What is (x+a,y+b)?
ABC has the vertices A(-2,1), B(-4,-1), C(0,-1). ABC is reflected along the line x=2, the new coordinate of C' is _____.
What is (4,-1)?
A figure is reflected in two parallel lines that are 2 inches apart. We could describe the translation as the figure being translated _____ inches.
What is 4 inches?
Describe the symmetry of a bottle of soda. Axis symmetry, plane symmetry, both or neither.
What is both?
Joe’s old graphing calculator had 96 pixels across the screen. His new calculator has 144 pixels. Find the scale factor by which he increased his screen size.
What is 3/2?
The rule for a dilation by the scale factor k is (x,y) becomes ______
What is (kx,ky)?
A figure is reflected in two intersecting lines that form an angle of 40o. When reflected over both lines, the image will be rotated ______ degrees.
What is 80?
Point E with coordinates (5,7) is translated along a glide reflections of its image of E'(-7,9). It was translated along vector _____ and reflected along the _____-axis.
What is <2,2> and x?
Describe the symmetry of a sphere. Axis symmetry, plane symmetry, both or neither.
What is both?
Jon enlarges a 4-inch by 6-inch photograph by a scale factor of 2.5. Find the new dimensions of the enlarged photograph.
What is 10in by 15in?