Quadratic Graphs
Where do you find the x-intercept?
What is the x-axis?
The axis of symmetry is found on the ___ - axis.
What is x?
The coordinates of the y-intercept for the quadratic function:
y=-2x2 + 5x - 7
What is (0,-7)?
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
Which function has the lowest vertex?
a. 2x2+3x
b. x2+x+1
What is A
Where is the y-intercept located?
What is the y-axis?
The vertex of the quadratic function y = 5x2 + 10x - 2 is a ____________________ point.
What is minimum?
Find the zeros (x-intercepts) of the following:
y = x2 - 8x - 20
x = 10 and x = -2
The vertex for this quadratic function:
y = x2 - 8x - 3
Which Maximum is higher?
y=-4x2+4 or y=-10x2+3
y=-4x2+4
The name of the line that divides a quadratic function exactly in half.
What is the axis of symmetry?
Which function is the most narrow (Slim)?
y=4x2 y=-12x2 y=-9x2
What is y=-12x2
Find the axis of symmetry for the function:
y=x2+4x+7
What is -2?
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 vertex in graph a is 9. The vertex in graph b is 11. Graph ___ has the highest value.
B
The name of the point on a quadratic function that will be the maximum or minimum of the function.
What is the vertex?
Which function is the widest?
y=-2x2 y=4x2 y= x2
What is y= x2
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 = -4.9x2 +16.4x + 1
What is:
y-intercept y=1
x-intercepts x=-0.06 and 3.4
the vertex (1.7, 14.7)?
The y-intercept of this parabola is
f(x) = -x2 + 3x
0
The shape of the graph of a quadratic function.
What is a parabola?
For : y = x2 - 6x + 5
a) state the x-intercepts
b) state the vertex
x = 5 and x = 1
Vertex (3, -4)
The coordinates of the vertex for this quadratic function:
y = x2 - 4x + 8
What is (2, 4)?
y = -5x2 +10x + 2
Vertex: (1, 7)
A of S: h = 1
Stretched by 5
x-intercepts: (-0.18, 0) (2.18, 0)
y-intercept: (0, 2)
When comparing the vertex you are looking at the __________.
y-value