The difference of a number times 2 and 7 is 9. (Use w for the unknown number)
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Answer:
Step-by-step explanation:
Convert this Quadratic Equation to Vertex Form by completing the square, :
So as you can see, each time we broke the equation down, we used the formula to complete the square.
** In the Vertex Formula, −h gives the OPPOSITE terms of what they really are, so do not forget it.
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