Area of Figures and Dilations

Which rules best represents the dilation that was applied to quadrilateral ABCD to create quadrilateral A'B'C'D'?

• (x,y)--->(0.4x,0.4y)

• (x,y)--->(x+3,y+1.5)

• (x,y)--->(2.5x,2.5y)

• (x,y)--->(x+0.4,y+0.4)

Select all answers that would create a dilation.

• (x,y) -----> (2x,4y)

• (x,y) -----> (-2x,-2y)

• (x,y) -----> (½x,½y)

• (x,y) -----> (3x,3y)

• (x,y) -----> (1.2x,1.2y)

• (x,y) ----> (2x,2y)

• (x,y) ----> (½x,½y)

• (x,y) ----> (x+2,y+2)

• (x,y) ----> (x+½,y+½)

Two objects that are the same shape but NOT the same size are _______.

• Congruent

• Vertical

• Similar

• Complementary

Triangle with the vertices F(-2, 1), E(0, 0), G(2, 2) is dilated with the scale factor of 2 and the center at the origin. What are the coordiantes of F'?

• (2, -4)

• (1, -2)

• (-4, 2)

• (2, -1)

Rectangle EFGH is dilated by a scale factor of 3. The origin (0,0) is the center of dilation. E(1,2); F(3,2); G(3,-1); H(1,-1). Which of these is the new, dilated rectangle?

Triangle MNP is graphed on a coordinate grid with vertices at M (-3, -6), N (0, 3) and P (6, -3). Triangle MNP is dilated by a scale factor of u with the origin as the center of dilation to create triangle M'N'P'. Which ordered pair represents the coordinates of the vertex P'?

Triangle TRW is shown on the coordinate grid. Triangle TRW will be dilated by a scale factor of n with the origin as the center of dilation to create triangle T'R'W'. Which ordered pair represents the location of point R' ?