translate three to the right and 4 down
(x,y)?(x+3,y-4)
reflection over the x-axis
(x,y)?(x,-y)
180? rotation
(x,y)?(-x,-y)
reflection over the y-axis
(x,y)?(-x,y)
90? rotation
(x,y)?(-y,x)
270? rotation
(x,y)?(y,-x)
increases the x-values
Sliding figure to the right...
decreases the x-values
Sliding figure to the left...
increases the y-values
Sliding figure up...
decreases the y-values
Sliding figure down...
translation
When we slide an object it is called
rotation
When we turn an object it is called
reflection
When we flip an object it is called
congruency
corresponding sides and angles are equal
counterclockwise
Direction that we rotate an image
(-5,4)
When (4,5) is rotated 90?, what is the new coordinate point?
(-4,-5)
When (4,5) is rotated 180?, what is the new coordinate point?
(5,-4)
When (4,5) is rotated 270?, what is the new coordinate point?
(-4,5)
When (4,5) is reflected across the y-axis, what is the new coordinate point?
(4,-5)
When (4,5) is reflected across the x-axis, what is the new coordinate point?
Rotating 270? counter-clockwise
Rotating 90? clockwise is the same as...
Rotating 90? counter-clockwise
Rotating 270? clockwise is the same as...
Rotating 180? counter-clockwise
Rotating 180? clockwise is the same as...
Supplementary angles
complementary angles
6
What is the length of line segment AB?
Dilation
What does not keep congruence?
Multiplication
What operation is used when dilating an image?
proportional
Corresponding sides are ____________ with similar figures
12
What is the length of line segment EF?
10
What is the length of line segment EG?
30
What is the length of line segment HJ?
160
If the dimensions of a rectangle with an area of 40 square inches are doubled, what will be the area in square inches of the new rectangle?
240
If the dimensions of a rectangle with a perimeter of 120 inches are doubled, what will be the perimeter in inches of the new rectangle?
Area x Scale Factor x Scale Factor
What is the formula to find the new area of a shape when it is dilated?
Perimeter x Scale Factor
What is the formula to find the new perimeter of a shape when it is dilated?