Rigid Transformations
Dilations
Similarity
Slope
Equations of Lines
100
A flip across a line.
What is a reflection?
100
True or False? Dilations always make a figure smaller.
What is False?
100
Figures with the same shape but not necessarily the same size are ______________.
What is similar?
100
Slope is how _____________ a line is.
What is steep?
100
The equation of a line that has a slope of 2 and goes through (3,7).
y-7/x-3 = 2
200
A slide in math.
What is a translation?
200
A dilation might change the size of a figure's side lengths but never the _______.
What are angles?
200
When two figures are similar, their sides have this type of relationship.
What is proportional?
200
Slope is the change in ______ over _____.
What is rise over run?
Vertical distance (Y) over Horizontal distance (X)
200
The slope formula.
What is m = y2-y1/x2-x1?
300
A turn in math.
What is a rotation?
300
The new coordinates of point A(1,-4) after a dilation of 2 with center (0,0).
What is A'(2,8)?
300
Congruent figures are _____ congruent.
What is always?
300
The slope of this line.
What is 2/3?
300
The equation of a line with a slope of 1/2 and that goes through (3,-3).
y+3/x-3 = 1/2
400
Describing a translation requires these two things.
What are
1) Direction
2) Distance
400
Dilations need these two things.
What are
1) Center Point of Dilation
2) Scale Factor
400
Similar figures are ____ congruent.
What is sometimes?
400
The slope of a line that passes through (3,3) and (4,7).
What is 4?
400
The equation of the line that goes through (3,5) and (6,12).
What is y-5/x-3 = 7/3?
500
Describing a rotation requires these three things.
What are
1) Center (Point)
2) Distance (Degrees)
3) Direction (Clockwise or Counterclockwise)
500
Dilate the points A(1,2), B(5,2), and C(3,5) by a scale factor of 3 centered at the origin.
A'(3,6), B'(15,6), and C'(9,15)
500
The values of s and t if ABC is similar to RST.
What is s=12 and t=15?
500
The slope of the line that passes through (-2,-1) and (1,2).
What is one half?
500
The equation of the line that passes through (5,8) and (8,15).
What is y-8/x-5 = 7/3?