rotations
When you rotate a shape on a flat piece of paper, what happens to the overall size of the shape?
Stays the same size
A point A(-4, 2) is dilated from the origin (0,0) with a scale factor of k = 3. What are the coordinates of the new point A'?
(-12,6)
f a point (x, y) is reflected across the x-axis, what are the coordinates of its image?
x,-y
What is the capital city of France?
Paris
f you rotate the point (2, 4) by 90° counterclockwise around the origin (0,0), what are the new coordinates?
(-4,2)
If a dilation has a scale factor of \(k =1/4 , the new image is a:
Reduction
What are the coordinates of the image of the point (-3, 5) when it is reflected across the line y = x?
(5,-3)
Which animated Disney movie features an optimistic snowman who loves warm hugs?
Frozen
What are the coordinates of the point (3, -5) after a 180° rotation around the origin?
(-3,5)
What are the coordinates of point B'(x, y) after point B(10, -5) is dilated from the origin with a scale factor of (k =1/5
(2,-1)
Find the coordinates of the point (2, -4) after it is reflected across the vertical line x = 5.
(8,-4)
What is the standard chemical formula for pure water?
H2O
In geometry if a rotation angle is positive, which direction does the figure turn by default?
counterclockwise
Which of the following statements is true when a figure is dilated in the coordinate plane?
The side lengths change proportionally, and corresponding angles stay congruent.
.
What is the image of the point (-4, 1) when reflected across the line y = -x?
(-1,4)
Which country contains the highest number of natural lakes in the entire world?
Canada
When we use basic coordinate rules like (x, y) --> (y, x) for a 90° counterclockwise rotation, what fixed point are we rotating around?
the origin
Line segment CD has a length of 8 units. It is dilated by a scale factor of k = 2.5 to create segment C'D'. What is the length of C'D'?
C) 20 units
.
If a point (x, y) remains completely unchanged (it is its own image) after being reflected across a specific line in the coordinate plane, what must be true about that point?
The point lies directly on the line of reflection.
Which rock band is depicted walking across a zebra crossing on the cover of their 1969 album Abbey Road?
the beetles