Write the coordinates of the vertices after a dilation with a scale factor of

1
2
,
centered at the origin.
A
'
,
B
'
,
C
'
,
D
'
,

a = -6, -8
b = -6, -2
c = -2, 8
d = -2, -8

1 answer

To find the coordinates of the vertices after a dilation with a scale factor of \( \frac{1}{2} \) centered at the origin, you multiply each coordinate by the scale factor.

The original coordinates are:

  • A = (-6, -8)
  • B = (-6, -2)
  • C = (-2, 8)
  • D = (-2, -8)

Now we will apply the scale factor of \( \frac{1}{2} \):

  1. For A' : \[ A' = \left(-6 \times \frac{1}{2}, -8 \times \frac{1}{2}\right) = \left(-3, -4\right) \]

  2. For B' : \[ B' = \left(-6 \times \frac{1}{2}, -2 \times \frac{1}{2}\right) = \left(-3, -1\right) \]

  3. For C' : \[ C' = \left(-2 \times \frac{1}{2}, 8 \times \frac{1}{2}\right) = \left(-1, 4\right) \]

  4. For D' : \[ D' = \left(-2 \times \frac{1}{2}, -8 \times \frac{1}{2}\right) = \left(-1, -4\right) \]

Now we can list the coordinates of the vertices after the dilation:

  • A' = (-3, -4)
  • B' = (-3, -1)
  • C' = (-1, 4)
  • D' = (-1, -4)

So the final coordinates are:

  • A' = (-3, -4)
  • B' = (-3, -1)
  • C' = (-1, 4)
  • D' = (-1, -4)