Download Vocabulary of a Quadratic Function Vacation…

Vocabulary of a Quadratic
Function Vacation…
December 5, 2016
• Quadratic functions are polynomial
equations that have an __________
in the
x2
2
equation and ____________
is the highest
exponent of x.
• The standard form of a quadratic equation
is :
y=
2
ax
+ bx + c
• The graph of a quadratic equation is a
parabola
_____________
. That looks like:
down or
• We say: Opens
___________
Opens up
_________
Axis of symmetry
X-intercepts
solutions
roots
zeros
vertex
Y-intercepts
• The vertex is the __________
turning ________
point of
the equation, and written as an ordered pair
(h,k) .
• Every parabola has an axis of symmetry. The
axis of __________
________
symmetry is the line of
reflection where the image on one side
____________
of the graph is the mirror image on the other
side of the graph. This is the linear equation
x value of the vertex, written
equal to the ____
x=h
as _________.
Definitions continued…
x values, of the
• The domain, the ___
all real numbers
function is ________________.
y values, are limited
• The range, the ____
minimum or _____________
maximum
by a ____________
value. This value is the y value in the
vertex.
A parabola that opens
upward
________ has a minimum
_________
value. The range for
parabolas with a minimum
greater
value must be ________
than or equal to the
____________________.
y-value of the vertex
Written as: _________.
A parabola that opens
downward
_____________has
a
maximum value. The
___________
range for parabolas with a
maximum value must be
less than or equal to the
________
y-value of the vertex
_____________________.
Written as: _________.
• The word solutions for the quadratic
equation are the value(s) for x when
x
y=0. These are also the _____
intercepts
of the equation. They also called
zeros
roots
solutions and ___________.
________,
________,
There can be _________,
two
_________,
one or
no
______
solutions for a quadratic equation.
Parabola’s are EVERYWHERE…
• http://www.youtube.com/watch?v=cXOcB
ADMp6o