Question

Need help with Select Expansion or Contraction to correctly describe the type of dilation for each given scale factor.

Answer 1

To know if a dilation is an expansion ( bigger) r a contraction ( smaller) ignore the negative sign.

If the number is larger than 1, it is an expansion, if the number is smaller than 1 it is a contraction.

-4 is an expansion

2.5 is an expansion

2/3 is a contraction

-3/4 is a contraction