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enot [183]
2 years ago
6

If QRS is dilated by a scale factor of 6 through the origin, which of the following points represent the coordinates of R'?

Mathematics
1 answer:
irina [24]2 years ago
5 0

Answer:

C

Step-by-step explanation:

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18 + 81 = 9(x²<span> + 6x + 9)
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When we are completing the square, we are going to move the value of c across the equals.  We will do that by adding, and end up with

18=9(x²+6x)

We take the value of b (the coefficient of x), divide it by 2 and square it:
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This is the value that completes the square.  However, since the entire square is multiplied by 9, this value must be multiplied by 9 before we can add it across the equals:
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