What is an axis of symmetry

The video tutorial explains the concept of the axis of symmetry in quadratic equations, focusing on parabolas. It describes how the axis of symmetry is a line that divides the parabola into two symmetrical halves. The tutorial provides a formula to find the axis of symmetry without graphing, which is the opposite of B divided by 2A. It also includes a non-example to illustrate what does not constitute symmetry.

What is the primary role of the axis of symmetry in a quadratic function?

• To calculate the maximum or minimum value

• To determine the vertex of the parabola

• To make the parabola symmetrical

• To find the roots of the equation

How can you visually confirm the axis of symmetry on a graph?

• By measuring the distance from the vertex to the x-axis

• By folding one side of the parabola over the other

• By checking if the parabola is tangent to the x-axis

• By finding the intersection with the y-axis

Which color was used to demonstrate a non-example of symmetry in the video?

• Yellow

• Blue

• Pink

• Green

What is the formula to find the axis of symmetry in a quadratic equation?

• B divided by 2A

• A divided by B

• 2A divided by B

• Negative B divided by 2A

In the formula for the axis of symmetry, what does 'B' represent?

• The vertex of the parabola

• The constant term

• The coefficient of x^2

• The coefficient of x