Find the Zeros Quadratics

Which of the following represents the function f\left(x\right) \ =\ -\left(x-3\right)\left(x-9\right)

• a

• b

• c

• d

Using the graph, what are the factors

• (x + 6)(x + 18)

• (x – 6)(x – 18)

• (x + 6)(x – 18)

• (x – 6)(x + 18)

Using the graph of y = -1.5x² + 12x - 23 shown here, what are the values of x when y = -5?

• x = 4

• x = 2, 6

• x = 3.2, 4.8

• cannot be determined on the graph

The graph shown here represents which quadratic function?

What are the other names for the "solution(s)" to a quadratic equation?**Select all that apply!**

• root(s)

• x-intercept(s)

• zero(s)

• y-intercept(s)

If the zeros of a quadratic function are (1, 0) and (9, 0), what is the equation of the axis of symmetry?

• x = 1

• x = 9

• y = 0

• x = 5

• cannot be determined from this information

How many solutions are there?

• 0

• 1

• 2

• Cannot be determined

Choose the best method to solve this quadratic:

​​ (a)  

x² + 8x - 13 = 0

• Square Roots

• ZPP

• Quadratic Formula

Choose the best method to solve this quadratic:

​ (a)  

x² - 7x + 12 = 0

• ZPP

• Square Roots

• Quadratic Formula

Choose the best method to solve this quadratic:

​ (a)  

2(x + 2)² - 5 = 8

• Square Roots

• Quadratic Formula

• ZPP