Vocabulary
What is the difference between rotation and reflection?
Rotation rotates the shape around a point
Reflection causes a mirrored image across a line
Draw a translation for point G (5,6) following this rule: (x-3, y+5)
Answer: G': (2, 11)
Name the 4 quadrants on a graph and point to them
Quadrant 1 (+,+)
Quadrant 2 (-,+)
Quadrant 3 (-,-)
Quadrant 4 (+,-)
A rotations is when you do this to a figure?
What is turn it or spin it
A reflection is when you do this to a figure.
What is flip or mirror
What is the difference between similar and congruent?
Congruent is preserving. (equal)
Similar means same shape, but not the same size. (proportional)
What is the algebraic notation for 3 units up, and 4 units to the right?
(x+4, y+3)
Name the value (positive or negative) for each Quadrant 1-4 on the graph (x,y)
Quadrant 1 (+,+)
Quadrant 2 (-,+)
Quadrant 3 (-,-)
Quadrant 4 (+,-)
Find the new coordinates of (3,-4) after you rotate the point 180*.
What is (-3,4)
Find the new coordinate of (3,-2) after you reflect the point over the x-axis.
What is (-3, -2)
Two or more lines that never intersect
What are Parallel Lines
What is the notation for 5 down and 2 to the left?
(x-2, y-5)
A figure is moved around a point
What is a Rotation
Find the new coordinate of (-1,-2) once you rotate it 90* counterclockwise about the origin.
Point (-3,4) was reflected over the y-axis. What is the new point?
What is (3,4)
What is a vector?
An arrow indicating direction of translation
What is the description for this notation? (x-2, y+5)
Up 5 units, to the left 2 units
Below is the triangle FUN. ;)
F: (-4, 4)
U: (3, 1)
N: (-1, 2)
Write the coordinates for F', U', N' after a reflection over the X-axis.
F': (4, -4)
U': (-3, -1)
N': (1, -2)
Write the notation of point (x,y) after it rotates 90* clockwise.
What is (y,-x)
Write the notation of point (x,y) after it is reflected over the y-axis.
What is (-x,y)
A line cuts another line in half and creates 4 90-degree angles at the intersection point
What is a perpendicular bisector
Point J is (6, 9). What is J' when (x-1, y-9)
J' (5, 0)
Point A (4,5) is rotated over the 180º. Write the coordinates of A'.
Answer: (-4,-5)
Graph triangle JKL after a rotation of 180* about the origin.
J (5,6) K (7,9) L (1,2)
What is:
J' (-5,-6) K' (-7,-9) L' (-1,-2)
Reflect the following points across the x-axis. What are the new points?
K (1,-1) N (1,-6) Q (4,-4)
What is:
K' (1,1) N' (1,6) Q' (4,4)