Old Stuff
What is the Midpoint of (2,3) and (6,-5)
(4,-1)
Which direction does (X - 3, Y) represent?
Left 3
When reflecting across the x-axis, what changes?
The y-value becomes opposite, x-value stays the same
How far can we rotate an object before it makes a complete circle?
360 degrees
What does is mean to dilate an object?
To make the object larger or smaller by some scale factor
What is the distance from (3,7) to (-1,10)
5
Translate the point (-7,5) 3 units right and 5 Units up.
(-4,10)
When reflecting across the line y = -x, what changes?
The x and y values switch places and both become opposite
What is the rule for rotating an object 180 degrees around the origin?
X and Y value both become opposite
Given the number 42, dilate it by a factor of 1/7.
6
What point is 3/5 the way from (2,7) to (-3,-3)
(-1,1)
Translation left 16 up 11
Reflect the point (2,4) across the x-axis.
(2,-4)
If a point (3,6) is rotated 90 degrees, what is the new point?
(-6,3)
Given the point (2,5) dilate this point about the origin by a scale factor of 4/5.
(8/5,4)
You are putting lights on your house for Halloween. If you have a 17 foot ladder and your roof is 15 feet off the ground, how far away from your house do you need to set the ladder?
8 feet
If you move the point (9, 82) to the up 80, left 81, then down 165, right 93 where do you end up at?
(21, -3)
Reflection over line y=x
What is the measure of degrees if a point starts at (-2,7) and ends at (7,2)
270 degrees
If you are looking at a button in a magnifying glass and you see it is 18 cm in diameter, you know the magnifying glass is making your image 18 times larger, what is the actual size of the button?
1 cm
DOUBLE POINTS!!! What is the distance from -17 to 46?
63
I need to run some errands. If I start at my house (0,0) and travel 3 miles East and 5 miles South to Kroger. Travel 6 Miles North and 14 miles East to Wal-Mart. Finally, 7 miles West and 14 miles North to Wing Stop. What is the distance from Wing Stop to my house?
5 sqrt(13) Miles
Reflect the point (2,5) over the x-axis then the y-axis and finally over the line y = x.
(-5,-2)
Start with the point (-4,1) and rotate it 90 degrees counterclockwise, then 180 degrees clockwise, then 270 degrees counterclockwise.
(4,-1)
Given the 3 points A(-1,5) B(3,4) and C(9,-2) dilate these points around the coordinate (2,3) by a scale factor of 3/2. Find A' B' and C'.
A'(-5/2,6)
B'(7/2,9/2)
C'(25/2,-9/2)