Busy. Please wait.
or

Forgot Password?

Don't have an account?  Sign up 
or

taken
show password

why

Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.


Already a StudyStack user? Log In

Reset Password
Enter the email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards




share
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Rigid Motion Formula

Geometry

QuestionAnswer
rx-axis(x,y)= (x,-y)
ry-axis(x,y)= (-x,y)
ry=-x(x,y)= (-y,-x)
rx=1/ry=1= Draw a picture.
ry=x(x,y)= (y,x)
What do you do to points that are dilated by a certain number? Multiply each coordinate by the dilation.
How do you create an equation of a dilated line? Keep the slope, multiply the y-intercept.
How do you create new coordinates under a translation? Add/Subtract the numbers next to the T according to their corresponding number. (Can be described as a vector as well.)
How do you create new points based on 90 degree rotations? Bring the 2nd number to the front and make it negative.
Are distances preserved in dilations? No, but they are proportional.
Are angles preserved in dilations? Yes.
Rorgin(x,y)= (-x,-y)
What is the relationship between the ratio of sides and ratio of perimeters? They are equal.
What is the relationship between ratio of the sides are ratio of the areas? (Ratio of sides) squared = ratio of areas.
Created by: emarciante9