Understanding Quadratic Functions Concepts

What is the main focus of converting standard form to factored form in this lesson?

• To graph the quadratic function

• To find the vertex of the parabola

• To solve quadratic problems when a is greater than one

• To simplify the equation

Which of the following is NOT a form of quadratic functions mentioned in the lesson?

• Standard form

• Complete the square form

• Vertex form

• Linear form

What is the first step in finding the zeros of a quadratic function?

• Calculate the axis of symmetry

• Find the vertex

• Set the function equal to zero

• Graph the function

How do you determine the axis of symmetry for a quadratic function?

• By factoring the quadratic equation

• By finding the midpoint of the zeros

• Using the formula x = -b/2a

• By graphing the function

What is the value of x when the axis of symmetry is calculated as 27 divided by 6?

• 3

• 4.5

• 6

• 9

What is the purpose of factoring a quadratic function by grouping?

• To find the vertex

• To calculate the axis of symmetry

• To simplify the equation

• To find the zeros

Which pair of numbers adds up to the b term in the example given?

• 5 and 4

• 2 and 4

• 1 and 8

• 3 and 6

What is the result of dividing -4.5 by 2 when finding the axis of symmetry?

• -2

• -3

• -1.5

• -2.25

What is the coordinate pair for x = -0.5?

• (-0.5, 0)

• (0, 0.5)

• (0, -0.5)

• (0.5, 0)

What is the greatest common factor in the first group of terms when factoring by grouping?

• 2x

• 1

• x

• 4