Quadratic Graphs
How many zeroes can a quadratic function have?
What is 2?
The value of "a" for a graph of a quadratic function opening downward.
What is negative?
The coordinates of the y-intercept for the quadratic function y=-2x2 + 5x - 7
Hint: Use your calculator table if needed
What is (0,-7)?
If the roots of a function are x = 6 and x=12, what is the x value of the vertex?
x = 9
The shape of the graph of a quadratic function.
What is a parabola?
The vertex of the quadratic function y = 5x2 + 10x - 2 is a ____________________ point.
What is minimum?
Find the zeroes of the following:
x^2 - 8x - 20
x = 10 and x = -2
If you use the quadratic formula method, what must b equal?
x^2 - 8x - 3
b = -8
The name of the line that divides a quadratic function exactly in half.
What is the axis of symmetry?
What is the axis of symmetry of the function below?
f(x) = 2x^2 -6x +5
x = 3/2
What determines whether a function will have a maximum turning point or a minimum turning point?
Whether or not the a value is negative.
The coordinates of the y-intercept for the quadratic function y=3x2 + 2x
What is (0,0)?
The point on a quadratic function that will be the maximum or minimum of the function.
What is the vertex?
State whether each of the following are either a line or a point on the graph:
a) the axis of symmetry
b) the vertex
a) a line
b) a point
Find the vertex for the quadratic function
y=x2 + 10x + 6
What is (-5, -19)
Find the roots if (x + 3)(2x - 1) = 0
x = -3 and x = 1/2
The domain of the quadratic function y=x2
What is (-∞, ∞)?
For : x^2 - 6x + 5
a) state the zeroes
x = 5 and x = 1
The coordinates of the vertex for the quadratic function y=x2 - 4x + 8 is ____________________.
What is (2,4)?
What month has 28 days?
All of them!