Vocab
The lowest point on a graph.
What is minimum?
The following equation represents the path of a donut hole being thrown by Mr. London where x represents the time (in seconds) the donut is in the air and y represents the height (in feet) of the donut.
y=-x2+4x
What is the maximum height of the donut?
What is 4 feet?
Find the zeros for the equation: (x-3)(x+6)=0
What are 3 and -6?
4x(2x+1)
What is 8x2+4x?
What is my name?
Who is Miss Williams?
The shape of a quadratic equation.
What is a parabola?
The following equation represents the path of a donut hole being thrown by Mr. London where x represents the time (in seconds) the donut is in the air and y represents the height (in feet) of the donut.
y=-x2+4x
At what time does the donut reach its maximum height?
What is 2 seconds?
Find the zeros for the equation: (x-1)(2x-4)
What are 1 and 2?
3x(5x2+2x-3)
What is 15x3+6x2-9x?
Name as many words you can for the spot where a parabola crosses the x-axis.
What are roots, x-intercepts, solutions, and zeros?
Turning point, either the minimum or maximum on a parabola.
What is a vertex?
The formula for throwing a baseball off of a cliff and into the air is represented by h = – 16t2 + 12t + 40 where h is the height of the ball.
What is the height of the cliff?
What is 40 feet?
Find the zeros for the equation: (x+5)(3x-15)=0
What are -5 and 5?
(x+2)(x-4)
What is x2-2x-8?
Order the following graphs from widest to narrowest.
y=1/7x2, y=1/2x2, y=1/4x2
What are y=1/7x2, y=1/4x2, y=1/2x2?
The line of symmetry that goes through a parabola.
What is the axis of symmetry?
A ball is thrown into the air with an initial upward velocity of 48 ft/s. It height h in feet after t seconds is given by the function h (t) = – 16t2 + 48t + 4.
What height will the ball be when 2 seconds has passed?
What is 36 feet?
Find the zeros for the equation: x2+x-6
What are -3 and 2?
(4x-2)(7x-5)
What is 28x2-34x+10?
Is there a maximum or minimum in the graph below? What is the value?
y=2x2+4x-8
What is a minimum at -10?
The point where a graph crosses the y-axis.
What is the y-intercept?
A seal dives into water to catch a fish. After x seconds, the seal is at a depth of y feet. This is represented by the equation, y = 0.5x2 - 4x.
What is the depth of the seal after 3 seconds?
What is -7.5 feet?
Find the zeros for the equation: 2x2+7x+8=0
What are no real solutions?
(2x+5)(x2+5x)
What is 2x3+152+25x?
What is the axis of symmetry of the following graph?
y=2x2+4x-8
What is x=-1?