What is the equation of the axis of symmetry for the graph of #y=x^2-6x-7#?

Related questions

• What are the important features of the graphs of quadratic functions?
• What do quadratic function graphs look like?
• How do you find the x intercepts of a quadratic function?
• How do you determine the vertex and direction when given a quadratic function?
• How do you determine the range of a quadratic function?
• What is the domain of quadratic functions?
• How do you find the maximum or minimum of quadratic functions?
• How do you graph #y=x^2-2x+3#?
• How do you know if #y=16-4x^2# opens up or down?
• How do you find the x-coordinate of the vertex for the graph #4x^2+16x+12=0#?