3 years ago

8. Which equation best represents the line

Mathematics

1 answer:

jeka943 years ago

3 0

Step-by-step explanation:

first one

when x=0, y=4

wheb x=4, y=0

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HELP PLEASE!!

sattari [20]

Answer: 1/3

Step-by-step explanation:

We know that after dilation with scale factor k the coordinates of pre-image (x,y) map to (kx,ky) of the image.

From the given graph, the coordinate of A =(9,4) and the coordinate of A' (3,2)

Then $x = 9$ and $kx = 3$

$\Rightarrow k(9)=3\\\\\Rightarrow\ k=\frac{3}{9}\\\\\Rightarrow\ k=\frac{1}{3}$

Therefore, the scale factor of the dilation is 1/3.

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Step-by-step explanation:

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