Question

Find the equation of the axis of symmetry and the coordinates of the vertex of the graph of the function y = 4x2 + 5x – 1.

Answer 1

Graph the parabola using the direction, vertex, focus, and axis of symmetry.
Direction: Opens Up
Vertex: (−5/8,−41/16)
Focus: (−5/8,−5/2)
Axis of Symmetry: x=−5/8
Directrix: y=−21/8 x. y
−3. 20
−2. 5
−5/8. −41/16
0. −1
1. 8