Lines of symmetry
How many lines of symmetry does a square have?
Six
What is the slope formula?
y2-y1/x2-x1
What is the equation of a circle?
(x-h)2+(y-k)2=r2
What is the distance formula?
square root of (x2-x1)2+(y2-y1)2
Point A (5,10) is translated 4 units to the right, and 7 united down. What is the new coordinate of point A?
(9,3)
What is it called when you rotate a figure 180 degrees and it appears unchanged?
Point symmetry
6/5
What is the radius of the equation (x-6)2+(y-10)2=9
3
What is the midpoint formula
(x+x/2) and (y+y/2)
Triangle ABC is reflected over line y=0 to become triangle A'B'C'. The coordinate of C is (9,8), what is the coordinate of C'?
(9,-8)
Does the letter z have point symmetry?
Yes
What is the slope of the line y=1/2x+4
1/2
What is the diameter of the equation (x-6)2+(y-10)2=9
18
Segment L has endpoints (3,10) and (7,4). What is the midpoint of line L?
(5,7)
Triangle LMN is dilated 2 units to become triangle L'N'M'. If the coordinate of point L is (5,5) what is the coordinate of point L'
(10,10)
How many lines of symmetry does a regular Pentagon have?
5
Points (2,5) and (-3,-6) make line F. What is the slope of a line parallel to line F.
-11
What is the center of circle (x+10)2+(y+17)2=9
Segment Q has midpoint (6,14), and endpoint (9,10). What is the missing endpoint?
(3,18)
What is the rotation formula for CC?
90=(-y,x)
180=(-x,-y)
270=(y,-x)
What type of symmetry does a circle have?
(more than 1 answer)
Rotational, line, and point (all)
Points (20,5) and (10,5) make line P. What is the slope of a line perpendicular to line P.
-2
The center of circle S is (5,9), and the radius is 3, write it the equation of a circle form.
(x-5)2+(y-9)2=100
Segment Q has endpoints R=(12,10) and S=(20,4). point T is 1/4 of the way from point R to point S. What is the coordinate of point T?
(18,5.5) or (14,8.5)
Triangle FGH is rotated 90 degrees counter clockwise to create triangle F'G'H'. If the coordinate of H is (6,-8), what is he coordinate of H'?
(8,6)