A number is multiplied by 3,and 7 is added to it to get the result 25.Find the number.
1 answer:
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The coordinate rule is
Explanation:
The center is given by
The scale factor is
We need to determine the coordinate rule with the given center and scale factor.
Let us consider the vertex as
The translation of the center is given by
Let us multiply the scale factor 3.5.
Thus, we have,
Simplifying the terms, we have,
Translating back, we get,
Simplifying the terms, we have,
Thus, the coordinate rule is