Composition of Transformations

The point (6, -1) is reflected over x-axis, what will be the new coordinate?

• (6, 1)

• (-6, 1)

• (-6, -1)

• (-1, 6)

Answer explanation

Rule for reflection on x

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

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

ΔDAP has coordinates D(2,1), A(4,2), and P(3, -3). It is translated 5 units to the left and 1 unit up. Which answer is false

• The coordinates of D' are (-3,0)

• The rule of transformation is

  (x,y)->(x-5, y+1)

• The coordinates of P' are (-2,-2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

ΔDAP has coordinates D(2,1), A(4,2), and P(3, -3). It is translated 5 units to the left and 1 unit up. Which answers are true?

• The coordinates of D' are (-3,0)

• The rule of transformation is

  (x,y)->(x-5, y+1)

• The coordinates of P' are (-2,-2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The point P (4,5) is roated 180^o clockwise. What are the coordinates of P'?

• P'(5, -4)

• P'(4, -5)

• P'(-4,-5)

• P'(4,5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which transformation(s) changes the size of a figure without affecting its shape?

• Translation

• Dilation

• Relfection

• Rotation

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

Which transformation rule translate a figure 5 units down and 2 units to the right?

• (x,y) -> (x-5, y+2)

• (x,y) -> (x+5, y-2)

• (x,y) -> (x+2, y+5)

• (x,y) -> (x+2, y-5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A pre-image has coordinates N(2,4), U(5, -2), and M(4, 2). It is dilated using a scale factor of 2. What are the coordinates of the image?

• N'(2,8), U'(5, -4), M'(4,4)

• N'(4,4), U'(10, -2), M'(8,2)

• N'(4,6), U'(7, 0), M'(6,4)

• N'(4,8), U'(10, -4), M'(8,4)

Tags

CCSS.8.G.A.3

What kind of transformation is the following rule:

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

• The transformation is a dilation

• The transformation is a rotation

• The transformation is a translation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If we apply this transformation to a figure will the new figure be congruent?

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

• TRUE

• FALSE

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Will dilation make a figure similar to the original figure?

• FALSE

• TRUE

Tags

CCSS.8.G.A.3