Translations
Reflections
Rotations
Dilations
Rules
100
In a translation, which two directions create a positive change?
Right and up
100
In a reflection over the x axis, what stays the same?
the x coordinate
100
Write the algebraic rule for a rotation 270° clockwise.
(-y, x)
100
If the scale factor is greater than 1, the image is ____________
enlarged
100
A figure is translated right _ units
(x + _, y)
200
In a translation, which two directions create a negative change?
Left and down
200
In a reflection over the y axis, what stays the same?
the y coordinate
200
Write the algebraic rule for a rotation 90° clockwise.
(y, -x)
200
If the scale factor is less than 1, the image is ____________
reduced
200
A figure is reflected over the x axis
(x, -y)
300
Write the algebraic rule that represents a translation 7 units to the right.
(x+7, y)
300
Write the rule for a reflection over the y axis.
(-x, y)
300
Write the algebraic rule for a rotation 180° clockwise.
(-x, -y)
300
Triangle PQR, the small triangle, was dilated to create triangle PST. Write the algebraic rule that represents the dilation.
(2x, 2y)
300
A figure is dilated by a scale factor of 2
(2x, 2y)
400
Write the algebraic rule that represents a translation 2 units to the left and 9 units up.
(x-2, y+9)
400
Write the rule for a reflection over the x axis.
(x, -y)
400
Write the algebraic rule for a rotation 360° counterclockwise.
(x, y)
400
A rectangle has a perimeter of 16 cm. It is dilated by a scale factor of 8. Write an algebraic rule to represent the dilation.
(8x, 8y)
400
A figure is translated _ units down.
(x, y -_)
500
Write the algebraic rule that represents a translation 6 units to the right and 4 units down.
(x+6, y-4)
500
Point K is located at (6, 2). If it is reflected over the y axis, write the coordinate for Point K’
(-6, 2)
500
Write the algebraic rule for a rotation 90° counterclockwise.
(-y, x)
500
Pre-Image: Image:
(0, 6) (0, 14)
(3, 6) (7, 14)
(9, 3) (21, 7)
Determine the scale factor based on the points
7/3
500
What does the negative sign mean in rotation and reflection rules?
Opposite