Points, Lines, Planes
I am one-dimensional. I have no width. I never end.
What is a line?
The definition of vector...
The image of point P (7,-3) under T(-1,2)
What is (6,-1)?
Draw a point, a line of reflection, and an image to show relative distances.
The line of reflection is the same distance away from the original point and the image.
Dilate (1,-3) by 2.
(2,-6)
I am zero-dimensional. I have no size, only position.
What is a point?
Physically speaking, you translate a point with a vector by ...
What is placing the initial point of the vector on the point to be translated and then marking the point just above the vector's arrow?
Negative x is movement ...
What is to the left?
When you reflect over the y-axis, the ___________ coordinate changes sign
What happens when you dilate by a negative number?
You rotate 180 as well as getting bigger or smaller.
I am a surface without thickness. I can see infinity.
What is a plane?
You know two vectors starting at different points are the same when...
What is when they are parallel and the same length?
Positive y is movement ...
What is up?
When you reflect over the x-axis, the ___________ coordinate changes sign
What is the y-coordinate?
Dilate (4,2) by 1/2
(2,1)
The intersection of a plane and a line.
What is a point?
We translate using vectors numerically by ...
What is adding the vector to the point to be translated?
Under <-3,-5>, point P (3,5) moves to ...
What is (0,0)?
A square can be reflected _________ times in such a way that we see symmetry.
What is 4? Over X, Over Y, Over Y=X, and Over Y=-X.
Rotate (1,-6) by 90 degrees CCW
(6,1)
The intersection of two planes.
What is a line?
Find the length of vector <-9,-12>
What is 15?
Write a translation in 4 ways.
(x,y) --> (x+2,y-5)
T(2,-5)
right two units, down five units
<2,-5>
Reflect the point (3,1) over the line y=2.
(3,3)
Rotate the point (3,-2) 180 degrees
(-3,2)