Rotations Pre-quiz 404

If you have A(2,7) B(5,9) C(9,8) & A’(-2,-2) B’ (1,-4) C’(5,-3). What transformations occurred?

• (x,y) → (x-4),(y-5) & reflect over x-axis
• Reflect over y=2.5 & translate 4 units left
• Reflect over x=2.5 & translate 4 units left
• A and B

Tags

CCSS.8.G.A.3

△JMS with J(3,2), M(6,6), and S(10,4) is rotated 180º about the origin. Where is point M'?

• M’ (-6,6 )
• M’ (5,3)
• M’ (-6,-6 )

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the degree of the rotation about the origin?

• -45º
• 180º
• 90º
• none of the above

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Q was rotated around the origin (0,0) by -180º. Which point is the image of Q?

• (-2,0)
• (2, 0)
• (-4,0)
• (4,0)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle NYC with N(1, 1), Y(1,6), and C(5,1) is rotated 180º. What are the coordinates of N’?

• N’(-2,-3)
• N’(-1,-1)
• N’(-2,-6)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the coordinate rule for a 90º rotation?

• (x,y) -> (-y,x)
• (x,y) -> (-x,-y)
• (x,y) -> (y,-x)
• (x,y) -> (x,y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the rule for a rotation of -90º?

• (x,y) -> (-y,x)
• (x,y) -> (y,-x)
• (x,y) -> (-x,-y)
• none of the above

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Point K was rotated about the origin by 145º. What point is the image of K?

• P
• L
• Y
• U

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle A'B'C' is the transformation of triangle ABC. Which statement is true? 

• Dilation occurred
• A rotation of -180º 
• The transformation isn't rigid  
• None are correct

Tags

CCSS.8.G.A.3

Rotate quadrilateral ABCD 180º.  A-(2,3) B-(2, 6) C-(8,3) D-(8,6). What are the image points of A'B'C'D'?

• 1) A'(-2,-3) B'(-2,- 6) C'(-8,-3) D'(-8,-6)
• 2) A'(2,-3) B'(2, -6) C'(8,-3) D'(8,-6)
• 3) A'(-2,3) B'(-2, 6) C'(-8,3) D'(-8,6)
• 4) A'(-2,3) B'(2, -6) C'(-8,3) D'(8,-6)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5