Sewanhaka High School
Mrs. Lidowsky, Principal
Math 8
Mr. Long, Teacher
Period:______________
Date:________________________
Name:___________________________________ (Use the back as more room to show your work.)
H.W. #50: Dilations
Directions: Answer the following questions. Show your work.
1) A triangle has vertices A(0, 0), B(8, 0), and C(3, -2).
Find the coordinates of the triangle after a dilation with a
scale factor of 4.
3) Through a microscope, the image of a grain of sand
with a 0.25-millimeter diameter appears to have a diameter
of 11.25 millimeters. What is the scale factor of the
dilation?
Find the scale factor for each scale.
6) 6 in. = 10 ft
4) Lucas wants to enlarge a 3 inch by 5 inch photo to a
6 inch by 10 inch photo. What is the scale factor of the
dilation?
7) 5 ft = 15 yd