SOLUTION: Pre-image: A(−4, 2) , B(4, 4) , and C(−1, 2)
Image: A′(−2, 1) , B′(2, 2) , and C′(−12, 1)
Is the dilation an expansion or cont
Algebra.Com
Question 1047615: Pre-image: A(−4, 2) , B(4, 4) , and C(−1, 2)
Image: A′(−2, 1) , B′(2, 2) , and C′(−12, 1)
Is the dilation an expansion or contraction? What is the scale factor?
Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
i think you meant:
pre-image:
a = -4,2
b = 4,4
c = -1,2
post-image
a' = -2,1
b' = 2,2
c' = -1/2, 1
this would be a contraction.
the scale factor would be 1/2.
a' = 1/2 * a
b' = 1/2 * b
c' = 1/2 * c
the post image is 1/2 times the dimensions of the pre-image.
the center of the dilation is assumes to be the origin.
here's a reference.
http://www.regentsprep.org/regents/math/geometry/gt3/ldilate2.htm
RELATED QUESTIONS
△ABC and △A′B′C′ are similar triangles. Side AB and... (answered by richwmiller)
Can someone please explain this to me? I am completely lost!
Thanks.
U =... (answered by MathLover1)
Let ƒ(x)=e−(x+1)2.
Draw a graph of the function on the interval [-3,3] and... (answered by advanced_Learner)
𝐐𝐮𝐞𝐬𝐭𝐢𝐨𝐧 𝟒.... (answered by ikleyn)
Express the following as the logarithm of a single quantity.
a)log (x + 3) − 2... (answered by Gogonati)
1. What are the roots of the equation (𝑥 − 4)2(𝑥 + 2) = (𝑥... (answered by ikleyn)
For each of the following expressions, simplify by expanding any brackets and collecting... (answered by user_dude2008)
a) Determine the sets A, B where A − B = {1, 3, 7, 11}, B – A= {2, 6, 8}, and A... (answered by AnlytcPhil)
. If i 2 = −1, find (and put in a + bi form)
a.) (− 3i)2 b.) i ^89 c.) (4... (answered by Alan3354)