WorksheetsTransformations Grand Review
Total questions: 24
Worksheet time: 2hrs 0mins
Translations, reflections, rotations, and dilations are all known as _____________.
transformations
congruent
rigid
shapes
What is a translation?
When you turn a polygon around a point.
When you move or slide a polygon from one place to another.
When you flip or mirror a polygon across a line.
When you enlarge or reduce a polygon.
What is the rule for translating?
(x, y) → (x+a , y+b)
(x, y) → (-x, y)
(x, y) → (-y, -x)
(x, y) → (x, -y)
How would you describe the translation of the green shape to the red shape?
Left 3, down 6
Left 2, down 5
Left 2, down 4
Right 3, up 6
How would you describe the translation of the green shape to the red shape?
Left 3, down 3
Left 3, down 1
Left 1, down 2
Right 3, down 3
Left 5, Up 4
Left 5, Up 2
Right 5, Down 4
Right 2, Down 4
What is a reflection?
When you turn a polygon around a point.
When you move or slide a polygon from one place to another.
When you flip or mirror a polygon across a line.
When you enlarge or reduce a polygon.
What is the rule for reflecting across the x-axis?
(x, y) → (y, x)
(x, y) → (-x, y)
(x, y) → (-y, -x)
(x, y) → (x, -y)
What is the rule for reflecting across the y-axis?
(x, y) → (y, x)
(x, y) → (-x, y)
(x, y) → (-y, -x)
(x, y) → (x, -y)
Which graph shows the pre-image reflected over y-axis?
Which graph shows the pre-image reflected over x-axis?
Which graph is showing the pre-image reflected over the y-axis?
What is the rule for a reflection across the y = x line?
(x, y) becomes (x, -y)
(x, y) becomes (-x, y)
(x, y) becomes (-x, -y)
(x, y) becomes (y, x)
What is the mirror line for this reflection?
y=4
x=-3
y=x
y= -x
What is the new location of image point A' when reflected over the line y=x ?
(9,-8)
(-8,9)
(8,9)
What is a dilation?
When you turn a polygon around a point.
When you move or slide a polygon from one place to another.
When you flip or mirror a polygon across a line.
When you enlarge or reduce a polygon.
Dilate Point B (0,4) by a scale factor of 3
Dilate Point A(-2,-2) by a scale factor of 1/2
