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Question 18

Which formula is used to find the y-coordinate of the vertex of the quadratic function?

1 Answer

2 votes

Answer:


(-D)/(4a)

Explanation:

y-coordinate is
(-D)/(4a) where a is coefficient of quadratic polynomial (ax^2+bx+c) and D is discriminant of the quadratic equation when you equate it to zero.

User Saqib Ali
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