Vocabulary
Translation
Reflection
Rotation
Dilation
Algebra Review
100
Define Congruent
two figures who have the same size and shape
100
What are the new coordinate pairs if the trapezoid is moved 3 units right and 2 units down?
J' (-3,3) K' (0,3) M' (-5, 0) L' (2,0)
100
Over what axis is the following figure reflected on?
The y- axis
100
How many degrees was the green rectangle rotated to reach the blue rectangle
90 degrees counter-clockwise
100
What is the new image of G(2, 18) if the scale factor is 25?
G'(50, 450)
100
x+10=15
x = 5
200
What is a reduction?
A dilation that causes a decrease in the size of a shape
200
Z (5,2) Y (7,2) X (4,3)
3 units left and 4 units down
What are the new coordinate pairs?
Z (2, -2) Y (4, -2) X (1, -1)
200
D-none of them
200
By how many degrees was the blue triangle rotated to reach the red triangle
180
200
A dilation can produce an enlargement or a ____
Reduction
200
x-5=15
x = 20
300
What is an enlargement?
A dilation that causes an increase in the size of a shape
300
You are given the rule; (x, y) --> (x - 2, y + 4)
Find the new value of the order pairs if the original orders pairs are:
A (2,3) B(1,0) C(-3,4)
A' (0,7)
B' (-1,4)
C' (-5,0)
300
Over what axis is the following figure reflected on?
x-axis
300
By how many degrees was the pre-image rotated to reach the image
90 degrees clockwise or 270 degrees counterclockwise
300
Is this a dilation?
yes
300
2x+7=21
x=7
400
What is the rule for x-axis reflection?
(x,y)-> (x,-y)
400
Find the old coordinate pairs of:
A' (1,5) B' (3,2) C' (7,5) D' (9,2)
Before they were translated 8 units left and 5 units up
A (9,0) B (11, -3) C (15,0) D (17, -3)
400
What is the line of reflection if L(1, 4) M(1, 0) N (3,0) mapped to L'(-1, 4) M'(-1, 0) N'(-3, 0)?
y-axis
400
What set of transformations is performed on triangle SRT
90 degree clockwise followed by a translation of 2 units to the left
400
What is the scale factor of the following dilation?
A(8, 2) --> A'(4, 1)
B(10, 6) --> B'(5, 3)
k = 1/2
400
1/3x=-9
x=-27
500
What is the rule for a 90 degree clockwise rotation?
(x,y)->(-y,x)
500
What is the rule for the following picture:
6 units left and 3 units up
(x, y) --> (x - 6, y + 3)
500
Which axis is B and C reflected on?
Y-axis then X-axis
500
By how many degrees was the pre- image rotated by
180
500
What is the scale factor?
2
500
1/4(4x-16)=2x+5
DAILY DOUBLE
x=-9