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Feliz [49]
3 years ago
15

For the dilation, DO, K = (10, 0) → (5, 0), the scale factor is equal to _____.

Mathematics
2 answers:
Serjik [45]3 years ago
8 0

Answer:

The scale factor is \frac{1}{2}.

Step-by-step explanation:

The dilation of a point about the origin with scale factor k is defined as

P(x,y)\rightarrow P'(kx,ky)            ..... (1)

It means the scale factor is calculated as

k=\frac{\text{x coordinate of image}}{\text{x coordinate of preimage}}

The given dilation is defined as

(10,0)\rightarrow (5,0)                ..... (2)

From (1) and (2) we get,

x coordinate of image = 5

x coordinate of preimage = 10

k=\frac{5}{10}

k=\frac{1}{2}

Therefore the scale factor is \frac{1}{2}.

eduard3 years ago
6 0
Scale factor is equal to 1/2, since the point went from 10 to 5
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