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Find the coordinates of the vertex of the following parabola algebraically. Write your answer as an (x , y) point y = - {x}^(2) + 8x - 23 ​
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4 votes
Find the coordinates of the vertex of the following parabola algebraically. Write your answer as an (x , y) point


y = - {x}^(2) + 8x - 23
​

User FRob
by
6.3k points

2 Answers

3 votes
(4,-7)

Do it by making factors of x by using middle term splitting method. You can learn about this method by watching you tube video . Then find out the y.
User Manish M Demblani
by
6.6k points
2 votes
The vertex to y=x^2+8x-23 is (4,-7)
User MortenSickel
by
5.8k points
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