Transformation Rule

Which of the following transformations does NOT preserve congruence?

• (x,y)----- > (5/2 x, 5/2 y)

• (x,y)----- > (-x, y)

• (x,y)----- > (-y , x)

• (x,y)----- > (x + 3, y - 2)

Tags

CCSS.HSG.CO.A.2

Which algebraic expression describes the transformation?

• (x, y) ----- > ( x - 2 , y + 2)

• (x, y) ----- > ( -2x, -2y)

• (x, y) ----- > ( 0.5x , 0.5y)

• (x, y) -------> ( x+ 2, y+2)

Tags

CCSS.HSG.CO.A.2

Which proportion must be true if the 2 trapezoids are similar?

• AB/BD = LM/OP

• AC/LO = CD/OP

• BD/AB = OP/MP

• MP/ LM = CD/AC

Tags

CCSS.HSG.SRT.A.2

Which of the following algebraic representations do NOT show a dilation?

• (x, y) --------> (2/3x, 2/3y)

• (x, y) --------> (5x, 3/2y)

• (x, y) --------> (1.5x, 1.5y)

• (x, y) --------> (3x, 3y)

Tags

CCSS.8.G.A.3

Which of the following algebraic representations do NOT show an enlargement?

• (x, y) --------> (4/3x, 4/3y)

• (x, y) --------> (x +5, y + 2/3)

• (x, y) --------> (2x, 2y)

• (x, y) --------> (1.5x, 1.5y)

Tags

CCSS.8.G.A.3

Triangle WHY was dilated to form W'H'Y' with the rule (x, y) --------> (1.2x, 1.2y). Which statement is true?

• W'H'Y' is smaller than WHY because the scale factor is less than one.

• W'H'Y' is larger than WHY because the scale factor is less than one.

• W'H'Y' is larger than WHY because the scale factor is greater than one.

• W'H'Y' is smaller than WHY because the scale factor is greater than one.

Tags

CCSS.8.G.A.3

Which of the following algebraic representations will move a figure 3 units left and 4 units up?

• (x, y) --------> ( x + 4, y + 3)

• (x, y) --------> ( 3x, 4y)

• (x, y) --------> ( x + 3, y - 4)

• (x, y) --------> ( x - 3, y + 4)

Tags

CCSS.HSG.CO.A.2

(x, y) --------> ( x , - y ) describes which transformation?

• Reflection over the y axis

• Reflection over the x axis

• Rotation of 90 degrees

• Translation one down

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

(x, y) --------> ( - x , y ) describes which transformation?

• Reflection over the x axis

• Rotation

• Translation

• Reflection over the y axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

(x, y) --------> ( -y , x ) describes which transformation?

• rotation

• reflection

• translation

• dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5