Vocabulary
From a story
From a Graph
From a table
Standard Form
100
A U-shaped curve that can open up or down. It is the graph of a quadratic function.
What is Parabola
100
What term represents gravity?
What is -16t2?
100
Would the vertex of this graph have a maximum or a minimum point?
What is a minimum point
100
Name the Vertex.
What is (-3,-4)
100
Give the quadratic equation in standard form.
What is f(x) = ax2 + bx + c
200
The point where the parabola crosses the y-axis, when x=0.
What is the y-intercept
200
A tennis ball is hit 3 feet above the ground at 45 mph. Create an equation that represents the story.
f(t) = -16t2 + 45t + 3
200
The black dot represents what part of the graph.
What is the vertex?
200
Name the x intercepts.
What is (-5,0) and (-1,0)?
200
Name the y-intercept of the equation.
f(x) = 4x2+20x + 10
What is 10?
300
The points where the parabola crosses the x-axis, when y=0.
What is a x-intercept
300
A baseball is hit 4 feet above the ground at 98 mph. Create an equation that represents the story.
f(t) = -16t2 + 98t + 4
300
The representation of the red dots.
What are x-intercepts.
300
Name the y-intercept.
What is (0,-2)
300
Would the graph of this equation open up or down?
f(x) = -5x2 + 140x +6
What is down?
400
A vertical line that passes through the vertex, dividing the parabola into two symmetric halves.
What is the axis of symmetry?
400
A pumpkin shot out of a cannon from 12 feet off the ground at 180 mph. Create an equation that represents the story.
f(t) = -16t2 + 180t + 12
400
Name the y-intercept of this graph.
What is (0,2)
400
Will this graph have a minimum or maximum?
What is a minimum?
400
Compute the axis of symmetry of this equation.
y = 2x2 + 4x - 6
What is -1
500
The minimum or maximum point on the graph of a parabola, located on the axis of symmetry.
What is the vertex?
500
A soccer ball is kicked off ground at 60 mph. Create an equation that represents the story.
f(t) = -16t2 + 60t
500
The red dotted line represents what part of the graph?
What is the axis of symmetry?
500
Name the vertex.
What is (0,0) or Origin
500
Compute the axis of symmetry of this equation.
y = x2 + 4x - 3
What is -2