Select the x-coordinate of the vertex of the parabola defined by the function f (x) = - 5x2 + 9x + 1.

Question

Mathematics

Jorge Carr

14 February, 08:35

Select the x-coordinate of the vertex of the parabola defined by the function f (x) = - 5x2 + 9x + 1.

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Javon Chaney · Answer 1

The x coordinate of the vertex of a parabola is also called the line of symmetry. To find it, take - b/2a, using the form Ax+Bx+C

- (9) / 2 (-5) = 0.9