When you are given a quadratic equation such as x² + 8x + 12, how do you find the axis of symmetry and the vertex of the parabola and how do they relate to each other?

Analyze the solution below. 7 3 x = −2 7 3 x(3 7 ) = −2(3 7 ) x = − 6 7 what property was used to solve the equation? property of opposites division property of equality addition property of equality multiplication property of equality