myTestBook.com Math Reading Science Practice Test for Grade 1, 2, 3, 4 & 5

<< back This is a SAMPLE test for Grade: 8, Subject: Math  
Test Topic(s): Geometry, Coordinate Plane, Reflection, Rotation, Dilation

Read the following text/image to answer questions 1 through 10
Question 1:
What action will bring points U and V of the line UV into second and fourth quadrant, respectively?
rotating 90o counter-clockwise
rotating 180o counter-clockwise
rotating 90o clockwise
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.
(−6,−6)
(−3,−3)
(6,6)
(−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.
(12,0) and (15,0)
(9,0) and (12,0)
(6,0) and (18,0)
(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.
(12,6)
(12,0)
(0,0)
(−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.
M(23,7) & N(19,10)
M(21,5) & N(19,13)
M(21,7) & N(19,10)
M(21,7) & N(19,13)
Question 6:
Triangle LMN is reflected across the line LS. Find new coordinates point N.
(17,13)
(14,13)
(−14,13)
(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(0,21) & B(4,21) & C(4,17)
A(0,21) & B(4,21) & C(6,17)
A(0,25) & B(4,25) & C(4,17)
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.
(3,15)
(3,12)
(−3,18)
(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.
F(−1,10) & G(3,10)
F(0,6) & G(3,9)
F(0,9) & G(3,9)
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.
(25,−8)
(29,−8)
(29,−4)
(27,−6)

 





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