Question

Determine the scale factor used in the dilation of line segment AB
𝐴
𝐵
, centered at the origin.

(1 point)
Responses

−4
−
4
negative 4

2
2

14
1
4
Start Fraction 1 over 4 End Fraction

4

the points are A(1, -3) B(2, -4) and A'(4, -12) B'(8, -16)

Answer 1

Scale factor = 4.

Reason: A' = (4, −12) = 4·(1, −3) and B' = (8, −16) = 4·(2, −4), so each coordinate is multiplied by 4.