options
This is the point where a quadratic function crosses the y-axis
y-intercept
The _____a______ value is the y-intercept of the equation.
The _____b_______ value helps you make points after the vertex is plotted.
a - c-value
b - a value
Solve for your x-intercepts
y = (x - 4) (x + 5)
x = 4 and -5
Graph the following equation
y = 3x2 + 6x + 5
(-1, 2)
Describe how hot it is in here with an appropriate joke.
:)
These are the points where a quadratic function crosses the x-axis
x-intercepts
How to find the x - intercept of the quadratic.
Factor & Flips signs
Solve the quadratic equation below for your x-intercepts:
y = x (x - 6)
x = 0 and 6
Graph
y = -x2 - 2x + 3
AHHHH
What gets bigger when more is taken away?
a hole
This point is the center of a parabola and can be a maximum or minimum, depending on the direction of the parabola.
Vertex
The _____________ of the vertex is found using the h value of a quadratic equation in vertex form.
x-coordinate
BONUS -- automatic 300 points to the group that chose this one.
:)
What is the axis of symmetry:
y = x2 + 4x - 8
x = -2
What has many keys but can’t open a single lock?
a piano
This line crosses the vertex of a parabola and divides the parabola in half
axis of symmetry
Quadratic equations in factored form can be converted to standard form by applying the ____________ property.
Distributive
Find the vertex & x - intercepts
y = x2 + 8x + 12
(-4,-4)
x = -2 x = -6
What is the vertex of:
y= -x2 + 2
(0, 2)
You are a bus driver. The bus begins with no passengers in it. At the first stop, 20 passengers get on. At the second stop, half the passengers get off. At the last stop, five passengers get on and three get off. What is the color of the bus driver's eyes?
They are your eyes silly
The equation to give you the Axis of Symmetry
-b/2a
Graph:
y = 2x2 -16x + 33
woot
Find the Vertex:
y = x2 - 16x + 4
(8, -60)
What is everything you know about this image:
LOTS
What begins with T, ends with T, and has T in it?
A teapot