Translations
Horizontal translation effects which coordinate?
x
What is the coordinate notation for reflection over the x - axis.
(x, y) -> (x, -y)
What is the coordinate notation when coordinated are rotated 90 degrees counterclockwise about the origin.
(x, y) -> (-y, x)
What is the converse of this statement. Is it true or false. Need both to get points.
If it is raining then the ground is wet.
If the ground is wet then it is raining.
This is a false statement.
Translate square ABCD 6 units to the right to form A'B'C'D'. The coordinate notation (x,y) -> (x, y+6). True or False
False
A graph has a line segment AB at A(2,2) and B(3,4).
Which are the new coordinates of each point after reflecting the pre-image over the y-axis?
A'(-2, 2) and B'(-3, 4)
Triangle ABC is located at A(-3, 3), B(-2, 5) and C(-1,3). Determine the coordinates of A', B', and C' after 90 degrees counterclockwise rotation about the origin
A'(-3, -3), B'(-5, -2), and C'(-3, -1)
What is the midpoint of the following point.
(2,4) and (5, -1)
(3.5, 1.5)
or
(7/2, 3/2)
If point A was located at (-4, 4) and was translated 11 units to the right. Where would the new point be located at.
(7, 4)
A graph has a line segment CD at C(7,4) and D(6,2).
Which are the new coordinates of each point after reflecting the pre-image over the x-axis?
Triangle ABC is located at A(-3, 3), B(-2, 5) and C(-1, 3). Determine the coordinates of A'B' and C' after 90 degrees counterclockwise rotation about the origin.
A'(-3, -3), B'(-5, -2), and C(-3, -1)
40
Technical difficulties. Mr. Salcedo needs to put a question on the screen due to it being a picture...
(x, y) -> (x - 9, y - 2)
Determine the coordinates of the pre-image for quadrilateral P'Q'R'S' which resulted from reflecting quadrilateral PQRS across the y-axis and then translating it 2 units down.
P(-3, 2) Q(-1, -2) R(-3, -3) and S(-6, -2)
P'(3,0), Q'(1, -4), R'(3, -5) and S'(6, -4)
Rotate parallelogram DEFG about the origin 180° counterclockwise.
D(-5,6) E(-5,3) F(-7,2) and G(-7,5)
D'(5,-6) E'(5,-3) F(7,-2) and G(7,-5)
There are 3 undefined terms in geometry. Name all 3 of the terms.
Points, Lines, and Planes
The vertices of parallelogram ABCD are A(-3, 4), B(-4, 2), C(1, 4), and D(0,2). Determine the vertex coordinates image of A'B'C'D' if parallelogram ABCD is translated 10 units up and 6 units to the left.
A'(-9, 14), B'(-10, 12), C'(-5, 14), D'(-6, 12)
What will be your new point for A and B when A(-9,7) and B(-5, 9) when we reflect the points over the x - axis and then reflect the point over the y - axis
A'(9,-7) and B'(5,-9)
Rotate the following points 90 degrees clockwise. and then translate 5 units down. What are the new points?
A(-4, 1), B(-3, 3), C(-1, 3) and D(0, 1)
A'(1, -1), B'(3, -2), C'(3, -6) and D'(1, -5)
What is the area of the following regular pentagon with the following information.
One side is the length of 7 and the apothem is the length of 6
A = 21