The middle point (x,y) of the parabola is called the...
Vertex
What is the vertex?
(1, 4)
What are the a, b, and c values of the following?
y = - x2 + 8x - 2
a = -1, b = 8, c = -2
Find the axis of symmetry.
y = x2 - 2x + 6
x = 1
Find the vertex.
y = x2 +14x + 50
(-7, 1)
The span of all x-values or how far the graph stretches from left to right.
Domain
What is the y-intercept?
(0, -5)
What direction will the parabola open?
y = 2x2 - 5x - 1
Up
Find the axis of symmetry.
y = -x2 - 4x + 10
x = -2
Find the vertex.
y = x2 -12x + 32
(6, -4)
The span of all y-values or how far the graph stretches from bottom to top.
Range
What are the x-intercepts?
None
What direction will the parabola open?
y = -5 + 3x2
Up
Find the axis of symmetry.
y = 5x2 - 3
x = 0
Find the vertex.
y = -2x2 + 5
(0, 5)
The half of the parabola that is going upwards from left to right is also known as _______________. It can be written as x > # or x < #.
Increasing
What is the end behavior of the graph?
+ oo
Will the parabola have a maximum or minimum value?
y = 3x2 + x - 2
Minimum
Find the axis of symmetry.
y = -2x2 + 20x
x = 5
Find the vertex.
y = 3x2 - 6x
(1, -3)
Where the arrows of the parabola point, so either towards positive or negative infinity. [TWO WORDS]
End Behavior
Where is the graph decreasing?
x < 6
What is the y-intercept?
y = x2 +4x - 10
(0, -10)
Find the axis of symmetry.
y = 4x + x2
x = -2
Find the vertex.
y = 5x2 + 20x + 35
(-2, 15)