Quadratic Functions in Intercept Form Quiz

What is the general form of a quadratic function in intercept form?

• y = a(x - p)(x - q)

• y = a(x - h)^2 + k

• y = ax + b

• y = ax^2 + bx + c

If the equation is y = (x - 2)(x - 6), what are the x-intercepts?

• 2 and 6

• -2 and -6

• 0 and 4

• 1 and 5

How do you find the axis of symmetry for a quadratic function in intercept form?

• It is the average of the x-intercepts

• It is the y-intercept

• It is the coefficient of x

• It is the sum of the x-intercepts

What is the x-coordinate of the vertex for the function y = (x - 2)(x - 6)?

• 2

• 4

• 6

• 8

How do you calculate the y-coordinate of the vertex?

• By substituting the x-coordinate of the vertex into the original equation

• By setting x to zero

• By using the formula y = ax^2 + bx + c

• By finding the midpoint of the x-intercepts

What is the y-coordinate of the vertex for the function y = (x - 2)(x - 6)?

• 6

• -4

• 0

• 4

Why does the parabola open upwards for the function y = (x - 2)(x - 6)?

• Because the y-intercept is positive

• Because the x-intercepts are positive

• Because the coefficient of x^2 is positive

• Because the coefficient of x is positive

What is the purpose of plotting additional points on the graph?

• To accurately draw the parabola

• To determine the slope

• To find the axis of symmetry

• To find the y-intercept

How do you ensure symmetry when plotting a parabola?

• By using the axis of symmetry as a reference

• By plotting points only on one side

• By using only the x-intercepts

• By drawing a straight line

What should you remember to add at the ends of the parabola?

• A number

• A dot

• An arrow

• A label