Plotting Points on a Coordinate Plane
Vocabulary
Reflections/Translations
Rotations
Congruent?
100
Where is the point located at on the graph?
(5, -2)
100
What moves every point of a figure around a center by a specific degree in a specific direction?
Rotation
100
When describing a translation, what two things do you need to include in your description?
Direction and Distance
100
When describing a rotation, what 3 things do you need to include in your description?
Center point, degrees, and direction.
100
Is area enough to prove if two shapes are congruent?
No
200
Where is the point located at on the graph?
(1, 2)
200
Two figures are ________ if you can reflect, rotate, or translate one to fit exactly over the other.
congruent
200
When describing a reflection, what must you include in your description?
The line you are reflecting across.
200
How many degrees of rotation took H to H'?
90 degrees
200
Why are these two triangles not congruent?
Different side lengths.
300
If point A were to reflect across the y-axis, where would it be located now?
(-2, 3)
300
The corner of a 2D object is called a?
Vertice
300
Which of these sequences would NOT return a shape to its original position?
A) Translate 3 units up, then 3 units down.
B) Reflect over line p, then reflect over line p again.
C) Translate 1 unit right and then 3 units up.
C
300
How many degrees of rotation does this image show?
180 degrees
300
In this image, which side length corresponds with side CB?
FE
400
What is the distance between the y-point of these two coordinates?
4
400
A _________ moves every point a given distance in a given direction.
Translation
400
Where would the point be after a reflection across the x-axis?
(1, 1)
400
Describe the rotation seen in the image.
90 degrees clockwise around the origin.
400
Are these two figures congruent? How can you tell?
Same side lengths and all the angles are 90*.
500
Which of the vertices is a 90 degree counter clockwise rotation from point B?
C
500
The original object before a transformation has been done is called a ______________.
Pre-Image
500
Describe the sequence of transformations that would take the green figure to the blue figure.
Translate 2 right and then reflect across the y-axis.
Reflect across the y-axis then translate 2 left.
500
Reflecting an image across the x-axis and then the y-axis is the same as how many degrees of rotation?
180 degrees (both acts will cause the shape to go upside down)
500
Write down all of the sequences of transformations that could take figure A to figure B.
A reflection and then a translation.