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AleksAgata [21]
3 years ago
11

What scale factor is shown by this graph?

Mathematics
2 answers:
I am Lyosha [343]3 years ago
7 0

Answer:

The correct option is 2. The scale factor is 2.

Step-by-step explanation:

The coordinates of preimage are A(1,2), T(0,0), K(4,1) and L(3,2).

The coordinates of image are A'(2,4), T'(0,0), K'(8,2) and L'(6,4).

If a figure dilated by scale factor k with center at origin then the rule of dilation is

(x,y)\rightarrow (kx,ky)

A(1,2)\rightarrow A'(2,4)

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

k=\frac{2}{1}

k=2

Therefore the scale factor is 2 and the correct option is 2.

notsponge [240]3 years ago
6 0

the scale factor is 2.

because

if you look at the length <em>AL</em><em> </em>in the smaller shape, it is 2 squares.

now if you look at the length <em>AL</em><em> </em>in the enlarged shape, it is 4 squares.

to find the scale factor, do 4 ÷ 2 which is 2.

therefore the scale factor is 2

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