Question

Pre-image point N(6, -3) was dilated to point N'(2, -1). What was the scale factor used?

a-1/2
b-1/3
c-3
d-2

Answer 1

Let the factor be x, it gets multiplied with pre image point to give N'
\[6x=2\]
\[-3x=-1\]
Can you find the value of x from any of these equations?

Answer 2

the 1st one = x = 3

Answer 3

\[6x=2\]
\[x=\frac 2 6 \]

Answer 4

1/3

Answer 5

?

Answer 6

yes, you are right :)