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Question 1
What action will bring points U and V of the line UV into second and fourth quadrant, respectively?
A. rotating 90o counter-clockwiseB. rotating 180o counter-clockwise
C. rotating 90o clockwiseD. rotating 180o clockwise
Question 2
Line UV is dilated using a scale factor 2 (increased twice). Center of dilation is point (0,0). Find new coordinates of point U.
A. (−6,−6)B. (−3,−3)
C. (6,6)D. (−9,−9)
Question 3
Circle with center K is dilated using a scale factor 0.5 (decreased half in its size). Center of dilation is the center of the circle. Find the coordinates of points where the circle with cut on the x-axis now.
A. (12,0) and (15,0)B. (9,0) and (12,0)
C. (6,0) and (18,0)D. (9,0) and (15,0)
Question 4
Circle with center K is reflected across the line XY. Find new coordinates of its center point K.
A. (12,6)B. (12,0)
C. (0,0)D. (−12,0)
Question 5
Triangle LMN is dilated using a scale factor 0.5 (decreased half). Center of dilation is the point L. Find new coordinates of points M and N.
A. M(23,7) & N(19,10)B. M(21,5) & N(19,13)
C. M(21,7) & N(19,10)D. M(21,7) & N(19,13)
Question 6
Triangle LMN is reflected across the line LS. Find new coordinates point N.
A. (17,13)B. (14,13)
C. (−14,13)D. (14,−13)
Question 7
Square ABCD is dilated using a scale factor 0.5 (decreased half). Center of dilation is the point D. Find new coordinates of points A, B and C.
A. A(0,21) & B(4,21) & C(4,17)B. A(0,21) & B(4,21) & C(6,17)
C. A(0,25) & B(4,25) & C(4,17)D. A(0,21) & B(5,21) & C(5,17)
Question 8
Square FGHI is rotated 90o counter-clockwise around the point F. Find new coordinates of the point H.
A. (3,15)B. (3,12)
C. (−3,18)D. (3,18)
Question 9
Square FGHI is dilated using a scale factor 0.5 (decreased half). Center of dilation is the point H. Find new coordinates of points F and G.
A. F(−1,10) & G(3,10)B. F(0,6) & G(3,9)
C. F(0,9) & G(3,9)D. F(−3,9) & G(3,9)
Question 10
Square OPQR is dilated using a scale factor 2 (increased twice). Center of dilation is point O. Find new coordinates of point Q.
A. (25,−8)B. (29,−8)
C. (29,−4)D. (27,−6)
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