Studied by 0 people
Looks like no one added any tags here yet for you.
What does this mean? T<3, 4>
3 units right, 4 units up
What happens to coordinates when you reflect them over the x axis?
(x, -y)
What happens to coordinates when you reflect them over the y-axis?
(-x, y)
What happens to coordinates when you graph them over a non-zero y-axis? Let n be the number (y=n)
(x, 2n-y)
What happens to coordinates when you graph them over a non-zero x-axis? Let n be the number (x=n)
(2n-x, y)
What happens to the coordinates if you reflect them over the line y=x?
(y, x)
What happens to the coordinates if you reflect them over the line y=-x?
(-y, -x)
How to find the line of reflection between two points?
Find perp. bisector between points, mdpt between, inverse slope
How to reflect points over a given line?
find intersection point between, use midpoint formula to find endpoints between intersection and given point
Which sequence do you do first in a glide reflection like this? T<4, 5>*Rx=0
reflect first, translation second
What can you conclude about reflection points over perpendicular lines?
Mimics rotation, Ex: 90, 180, 270, etc.
Name all 5 properties of proportion
How to partition segments
find transformation between first point and second point, multiply by the respective ratio, add that transformation to the original point
corresponding angles of similar triangles are ____
congruent
corresponding sides of similar triangles are _____
proportional
2 angles of one triangle are congruent to 2 angles of another triangle; What postulate or thrm?
AA~ post.
Measures of the sides of one triangle are proportional to the measures of the sides of another triangle; what post or thrm?
SSS~ post.
2 sides are proportional to 2 sides of another triangle, included angles are congruent; Which post or thrm?
SAS~ thrm.
The ______ of the Triangle Proportionality Thrm is also true
converse
