Quadratic Graphs
How many zeros (x-intercepts) can a quadratic function have?
What is 2, 1, or none?
The value of "a" for a graph of a quadratic function opening downward.
What is negative?
The domain of a quadratic function
What is xER?
If the x-intercepts of a function are x = 6 and x=12, what is the Axis of Symmetry (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?
The coordinates of the vertex for this quadratic function:
y = (x- 2)2 + 4
What is (2, 4)?
The vertex for this quadratic function:
y = x2 - 8x - 3
The name of the line that divides a quadratic function exactly in half.
What is the axis of symmetry?
y = 3x^2 - 6x + 1 has
an axis of symmetry at ?
x = 1
What determines whether a function will have a maximum turning point or a minimum turning point?
Whether or not the highest power term is negative.
The coordinates of the y-intercept and x-intercepts for the quadratic function:
y=3x2 + 2x - 1
What is y-intercept (0, -1) and x-intercepts (-1, 0) (0.33, 0)?
The name of the point on a quadratic function that will be the maximum or minimum of the function.
What is the vertex?
y = 3(x - 2)(x + 1) has a y-intercept at ?
y = -6
The coordinates of the y-intercept for the quadratic function:
y=-2(x + 5)(x - 3)
What is (0,30)?
Find the vertex for the quadratic function:
y = x2 + 10x + 6
What is (-5, -19)
The y-intercept, x-intercepts, and vertex for this quadratic function:
y = -x2 +9x + 10
What is the y-intercept (0, 10), the x-intercepts (10, 0) (-1, 0) and the vertex (4.5, 30.25)?
For : y = x2 - 6x + 5
a) state the x-intercepts
b) state the vertex
x = 5 and x = 1
Vertex (3, -4)
Find the zeros (x-intercepts) of the following:
y = 3x2 - 24x - 60
x = 10 and x = -2
The vertex for:
y = -5x2 +10x + 2
Vertex: (1, 7)