What is the equation of the axis of symmetry of this parabola? y=-5(x+4)^2+3

Step-by-step explanation:

Given the equation of parabola

This is the vertex form of the parabola equation. Hence, the vertex of the parabola is at point

This parabole goes downwards in y-direction (the leading coefficient -5 is negative)

The axis of symmetry of parabola is a vertical line that divides the parabola into two congruent halves. The axis of symmetry always passes through the vertex of the parabola . The x -coordinate of the vertex is the equation of the axis of symmetry of the parabola.

Thus, the equation of the axis of symmetry is

the first dot plot best represents the data

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