1/5 Math 1

Danny is trying to find the axis of symmetry for a quadratic function on his graph. Which of the following equations could represent the axis of symmetry?

• y=3

• x=3

• x=5

• x=1

Kevin is observing a roller coaster ride, which is shaped like a parabola. What is the green dot at the highest point of the roller coaster ride called?

• maximum

• minimum

• roots

• zeros

Alex is launching a rocket and the height of the rocket is given by the equation f(x) = -16x² - 2x + 1. If x represents the time in seconds after the launch, find the height of the rocket at the time of launch (y-intercept).

• 2

• -2

• 1

• -1

Sara is throwing a ball in the air and the height of the ball can be represented by the equation y = -4x². Does this equation represent a maximum or minimum height of the ball?

• maximum

• minimum

Tega is trying to calculate the highest point of a parabolic path of a ball thrown in the air. The path of the ball is represented by the quadratic function:
y = -16x² +8x +8. Can you help Tega find the vertex of this parabolic path?

• (0.25,9)

• (-3,-2)

• (-9,0.25)

• (3,-2)

Elliott is launching a rocket and the path of the rocket is represented by the equation:
y = -5x² + 20x + 8.
Can you help Sara determine the vertex of the parabola which represents the highest point the rocket will reach?

• (2, 28)

• (-2, -28)

• (2, -7)

• (-7, -2)

Arrie is studying the trajectory of a ball thrown in the air. She wants to find the highest point (vertex) of the parabola formed by the ball's path. Which formula should she use?

• x = -b/2

• x = -b

• x = -b / (2a)

• x = -b / 2

Cole is trying to draw a parabola for his math project. Through which point does the axis of symmetry line pass?

• Through the point where the parabola intersects the y-axis

• Through any random point on the parabola

• Through the vertex of the parabola

• None of these

Kaidence and River are playing a game of darts. If the dart board is represented by a graph, and the darts are represented by the equation of a line, what are the x-intercepts where Kaidence and River's darts hit the board?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

Asher and Cole are trying to launch a rocket. They model the rocket's path with a quadratic equation. What is another name for the points where the rocket touches the x-axis?

• y-intercepts

• zeros

• x-axis

• none of these