Rotation Around the Origin

A triangle has the following coordinates, A(4,5) B(7,6) and C(5,1). If ∆ ABC were rotated 180° around the origin, what would the new points of ∆' ABC be?
1. A'(-4,-5) B(-7,-6), C(-5,-1)
2. A'(-4,5) B(7,-6), C(-5,-1)
3. A'(-5,4) B(6,-7), C(-1,-5)
4. A'(-5,-4) B(-6,-7), C(-1,-5)
If an object was located in quadrant I, what quadrant would it be in if it was rotated 90° counter-clockwise?
1. Quadrant II
2. Quadrant III
3. Quadrant IV
4. Quadrant I
If the polygon shown were rotated 90° clockwise around the origin, what would be the the coordinates of point B?
1. B'(5,3)
2. B'(3,5)
3. B'(-5,3)
4. B'(-5,-5)
Which triangle is a 270° clockwise rotation around the origin of ∆A?
1. ∆D
2. ∆A
3. ∆B
4. ∆C
If ∆ABC were rotated 180° around the origin, what would be the ordered pair of point B?
1. B'(6,-5)
2. B'(6,5)
3. B'(-5,6)
4. B'(-6,5)
The verticies of a quadrilateral are A(-3,4), B(-3,7), C(-6,3) and D(-6,6). What are the new coordinates of the quadrilateral if the object is rotated 90° clockwise?
1. A'(4,3)B'(7,3) C'(3,6) D'(6,6)
2. A'(-4,-3)B'(-7,-3) C'(-3,-6) D'(-6,-6)
3. A'(4,-3)B'(7,-3) C'(3,-6) D'(6,-6)
4. A'(3,4)B'(3,7) C'(6,3) D'(6,6)
If point Y located at (5,-6) were rotated 180 degrees around the origin, what will the new coordinates be?
1. Y'(-5,6)
2. Y'(-5,-6)
3. Y'(6,-5)
4. Y'(-6,-5)
In what two quadrants are all of the y-values negative?
1. III and IV
2. III and I
3. II and IV
4. II and III
Which best describes what happens to the coordinates of an object when it is rotated 180 degrees around the origin?
1. Only the signs become opposite.
2. You switch the numbers and the sign.
3. You switch the numbers and keep the same signs.
4. They disappear.
If the triangle were rotated around the origin 180 degrees, what will be the coordinates of point A?
1. (0,0)
2. (1,1)
3. (1,-2)
4. (0,-1)

Rotation Around the Origin

Quiz