What is the formula for finding the axis of symmetry?
Axis of Symmetry: x = -b/2a
100
What is the graph of a quadratic function called?
Parabola
100
A graph with no solution has how many x-intercepts?
0
100
The graph y = -4x^2 + 5x - 1 opens up or down?
Down
200
5x^2 + 3 = 128
x = 5
x = -5
200
Find the vertex for y = x² + 2x
(-1, -1)
200
The highest or lowest point on a parabola is
the vertex
200
Imagine you are in a dark room. How do you get out?
Stop imagining
200
What are two other words for "x-intercepts"?
Possible Answers: Zeros, Solutions, Roots
300
Find the root(s) of x² - 6x = -9
x = 3
300
Find the axis of symmetry for y = 3x² + 12x + 2
x = - 2
300
Graph the equation on your calculator. Show me the graph. And find the vertex. y = x^2 + 3x - 18
Vertex = (-3/2, -81/4) or (-1.5, -20.25)
300
The vertex of y = 6x^2 - 24x + 18 is ?
(2,-6)
300
Describe the difference between the graph of y = x^2 and the graph of y = 4x^2. (You may use your calculator to graph.)
The graph of y= 4x^2 is more narrow than the graph of y = x^2
400
Solve for x. 2x^2 - 2x - 5 = -1
x = 2
x = -1
400
Tell whether the following statement is sometimes, always, or never true: "The vertex of a parabola occurs at the minimum value of the function"
Sometimes True
400
Graph the equation on your calculator. Show me the graph and find your vertex. y = 2x^2 - 2x - 4
Vertex = (1/2, -9/5) or (0.5, -4.5)
400
What occurs once in every minute, twice in every moment, yet never in a thousand years?
The letter m
400
Which weighs more, a pound of feathers or a pound of bricks?
Neither. They both weigh one pound.
500
Solve the equation by FACTORING 2x^2 - 5x - 3 = 0
x = -1/2
x = 3
500
Find the vertex for y - 8x = 16 - x²
(4, 32)
500
If the height, in feet, of an athlete diving off a springboard is described by the equation h = -16t^2+32t+48, how long, in seconds, does it take the athlete to reach their maximum height?
1 second
500
Find the zeros of the function. y= 9x^2 - 15x - 6
x = -1/3
x = 2
500
Paul's height is six feet, he's an assistant at a butcher's shop, and wears size 9 shoes. What does he weigh?