Transformation
Translations
Reflections
Rotations
Mixed Bag
100
A __________ is a change in the size, shape, position or orientation of a figure.
Transformation
100
A translation is a ________?
Slide
100
True or false, after you reflect a figure, the sides will have different lengths.
False
100
A rotation or _______, is a transformation in which a figure is rotated abut a point.
turn
100
Solve for y: 5x + 2y = -10
Write answer in Slope intercept form.
Y=-5/2x -5
200
Write the formula for this translations.
Translating a figure 2 units to the right and 3 units down.
x+2, y-3
200
True or false, the above demonstrates a translation. If false, what does it demonstrate?
False; Reflection
200
What axis does the following reflect over (x or y)?
Y axis
200
When going 180 from origin, what happens to your coordinates and signs?
Coordinates stay the same, signs are opposites.
200
What is the scale factor?
1/3
300
- Quadrilateral ABCD is shown. ABCD is translated to create EFGH.
- What is the length, in units, of side GH?
See image
5
300
Describe the location of the blue figure relative to the location of the red figure. Use formula.
X+6, Y-3
300
In terms of reflection, what axis does the following point reflect.
(4, 7) to (-4, 7)
Y - axis
300
Your analogue clock reads 12pm. The minute hand rotates 90 degrees ccw. What time is it now?
12:45 pm
300
- Evaluate if x = -2 and y = -1
- 3y + 2x^2– 5x
15
400
Josh multiplied the y coordinates by 3, but did NOT multiply the x coordinates. What is the new image?
A- CONGRUENT to the preimage
B- SIMILAR but NOT CONGRUENT to the preimage
C- NEITHER
C
400
Your friend translated point (5,4) one unit to the left and four units up. Your friend said the translated point is (4,0).
Is your friend correct? If not, give the new coordinates.
No. The correct answer is (4,8)
400
In terms of reflection, which axis does the following point reflect over?
(5,-9) to (5, 9)
X - axis
400
You start with a triangle at the following coordinates.
A(1,1) B(2,3) C(3,1)
You rotate the triangle 90 degrees CW. What are your new coordinates?
A (1,-1)
B(3,-2)
C(1,-3)
400
A dilation by one results in the object being what?
Congruent
500
What are the types of transformation(s)that produce a congruent figure?
Translation,Reflection, Rotation, Dilation by 1
500
A school of fish translates from point F to point D. Algebraically describe the translation of the fish.
X+5, Y+1
500
Reflect image over y axis and tell new coordinates.
A (3,1)
B (-1,3)
C (-2,-4)
500
Tell whether the blue figure is a rotation of the red figure about the origin. If so, give the degree and direction.
Yes; 180 degrees clockwise or counter-clockwise.
500
What transformations can be used to show that LMN is similar to PQR.
See image
Rotation, Dilation