Graphing Quadratics: Key Parts and Standard Form

What is the easiest piece of information to get from the standard form of a quadratic function?

• Axis of Symmetry

• Y-Intercept

• X-Intercept

• Vertex

If the lead coefficient of a quadratic function is positive, in which direction does the parabola open?

• Right

• Left

• Up

• Down

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

• Opposite of B over 2A

• A over 2B

• Opposite of A over 2B

• B over 2A

What is the axis of symmetry for the quadratic function given in the video?

• x = -2

• x = -3

• x = 3

• x = 2

How do you find the y-coordinate of the vertex once you have the x-coordinate?

• By using the y-intercept

• By finding the midpoint of the x-intercepts

• By plugging the x-coordinate into the original function

• By using the quadratic formula

What is the y-coordinate of the vertex for the quadratic function in the video?

• 4

• -4

• 3

• -3

What method is used to find the x-intercepts of the quadratic function?

• Completing the square

• Using the quadratic formula

• Graphing

• Factoring the quadratic equation

What are the x-intercepts of the quadratic function in the video?

• (-1, 0) and (5, 0)

• (1, 0) and (5, 0)

• (-5, 0) and (-1, 0)

• (-5, 0) and (1, 0)

Why is it beneficial to plot additional points on the graph of a quadratic function?

• To find the minimum value

• To ensure the graph is more accurate

• To make the graph look more complex

• To find the maximum value

What is the main advantage of knowing how to work with different forms of quadratic functions?

• It saves time and reduces confusion

• It makes the graph look better

• It is required for all math tests

• It helps in solving linear equations