Question

What is the scale Factor

Answer 1

Factor k=2
A(2,1)—->(kx, ky)—>(4,2)
2•k=4
k=4/2
k=2
1•k=2
k=2/2
k=1
B(2,4)—->(4,8)
k is 2, as well
C(5,4)—->(5,4)
k is 2, as well
Overall k=2

Answer 2

The ratio of any two corresponding lengths in two similar. geometric figures.

Explanation:

The ratio of any two corresponding lengths in two similar. geometric figures.