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anzhelika [568]
2 years ago
13

If a coordinate was dilated from (-3, 2) to (-6, 4), what was the scale factor used?

Mathematics
1 answer:
lara [203]2 years ago
3 0

Given:

A coordinate pair was dilated from (-3, 2) to (-6, 4).

To find:

The scale factor.

Solution:

We need to divide the coordinate of dilated point by the corresponding coordinate of original point to find the scale factor.

The value of scale factor is:

k=\dfrac{x\text{-coordinate of image}}{x\text{-coordinate of original point}}

k=\dfrac{-6}{-3}

k=2

Therefore, the scale factor is 2.

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The limit is x---->4-

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Where on the graph of 2x - 6y = 7 is the x-coordinate twice the y-coordinate?
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The required point is P(-7,\frac{-7}{2}) where, x-coordinate twice the y-coordinate on line 2x - 6y = 7

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Note: Figure show equation of line red line and point P as blue dot.

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