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This is a SAMPLE test for Grade: 8, Subject: Math |
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Test Topic(s):
Geometry, Coordinate Plane, 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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| Line AB is dilated using a scale factor 0.25 (decreased). Center of dilation is the point B. Find new coordinates of point A. |
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| Question 2:
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| Square HIJK is dilated using a scale factor 0.5 (decreased). Center of dilation is the center of the square. Find new coordinates of points H and I. |
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| Question 3:
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| Square HIJK is dilated using a scale factor 0.5 (decreased). Center of dilation is the point J. Find new coordinates of points H and K. |
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| Question 4:
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| Line CD is dilated using a scale factor 0.25 (decreased). Center of dilation is the point C. Find new coordinates of point D. |
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| Question 5:
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| Circle with center G is dilated using a scale factor 2.0. Center of dilation is the center of the circle. Which of the following line will it touch now? |
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| Question 6:
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| Which of the following scale factor, if used to dilate the circle with center G, will bring a portion of it into first quadrant? |
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| Question 7:
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| Line EF is dilated using a scale factor 0.5 (decreased). Center of dilation is the point F. Find new coordinates of point E. |
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| Question 8:
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| Rectangle OPQR is dilated using a scale factor 0.5 (decreased). Center of dilation is the center of the rectangle. Find new coordinates of points O and Q. |
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| Question 9:
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| Rectangle OPQR is dilated using a scale factor 2.0. Center of dilation is the point N. Find new coordinates of points L and M. |
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| Question 10:
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| Rectangle OPQR is dilated using a scale factor 2.0. Center of dilation is the point N1. Find new coordinates of point N. |
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