Unit 6 Quadratics Remediation/PracticeName ______

Directions: Fill in the missing information from the given video clips.

Graphing Quadratics

Video link:

Fill in the information from the video.

1. a= b=c=

A) To find the line of symmetry, what is its equation?

X = ______

B) What does the line of symmetry equal?

X = ______

C) How do you fill in the rest of the table? Show your work!

x / y

D) What is the Vertex of the Parabola?

E) Determine if the Parabola is a Max or Min?

Finding x-intercepts (Zeroes or Roots)

Video link:

Fill in the information from the video clip.

1. f(x) =

A) When finding x-intercepts (zero), what are you replacing f(x) with?

B) What does the zero product rule state? Write it out.

C) Once we set up of equation equal to zero. What are we going to do to the right side of the equation? Show your work.

0 =

0 =( )( )

x =x=

Quadratics Applications

Video link:

Fill in the information from the video clip. USE A CALCULATOR!

1. NASA launches a rocket at t = 0 seconds. Its height is in meters above sea level as a function of time is h(t) = Assume the rocket will splash down into the ocean.

A) What time will the rocket splash into the ocean?

- When changing the window setting on the calculator, what are our final settings for the window?

Xmin =Xmax = Xscal =

Ymin = Ymax =Yscal =

- What are you going to press in order to find the x-intercept?

Step 1: ______

Step 2: ______

Step 3: Press what #? ______

- Where are we moving our cursor to? ______and ______close to the intersection.

- When does the rocket splash into the ocean? ______

B) How high above sea level will the rocket reach?

- What are you going to press in order to find the Max?

Step 1: ______

Step 2: ______

Step 3: Press what #? ______

- Where are we moving our cursor to? ______and ______close to the intersection.

- How high will the rocket reach? ______

Your turn!

2. The function models the approximate height of an object t seconds after it is launched.

A) How many seconds did it take the object to hit the ground?

B) How high was the object?

C) When did it reach its peak?

D) How did you set your window setting to see your graph?

Xmin=Xmax=Xscal=

Ymin=Ymax=Yscal=