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This is a SAMPLE test for Grade: 8, Subject: Math |
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Test Topic(s):
Geometry, Coordinate Plane, Reflection, Rotation, Dilation |
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| Read the following text/image to answer questions 1
through 10
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| Question 1:
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| What action will bring points U and V of the line UV into second and fourth quadrant, respectively? |
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| Question 2:
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| Line UV is dilated using a scale factor 2 (increased twice). Center of dilation is point (0,0). Find new coordinates of point U. |
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| Question 3:
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| 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. |
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| Question 4:
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| Circle with center K is reflected across the line XY. Find new coordinates of its center point K. |
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| Question 5:
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| 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. |
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| Question 6:
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| Triangle LMN is reflected across the line LS. Find new coordinates point N. |
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| Question 7:
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| 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. |
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| A(0,21) & B(4,21) & C(4,17) |
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| A(0,21) & B(4,21) & C(6,17) |
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| A(0,25) & B(4,25) & C(4,17) |
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| A(0,21) & B(5,21) & C(5,17) |
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| Question 8:
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| Square FGHI is rotated 90o counter-clockwise around the point F. Find new coordinates of the point H. |
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| Question 9:
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| 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. |
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| Question 10:
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| Square OPQR is dilated using a scale factor 2 (increased twice). Center of dilation is point O. Find new coordinates of point Q. |
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