What is the the line that cuts a parabola into equal halves called?
parabola
Given the equation, describe the transformations.
y=x^2+1
Up 1
What is vertex form?
y=a(x-h)2+k
Fill in the blank:
If a is positive, the graph opens ______ and is the ______________ value of the graph
Up
Minimum
Which of the following is the widest graph?
y=x2, y=5x2, y=1/3x2
y=1/3x2
What is the domain of all quadratic functions?
All Real #'s
Given the equation, describe the transformations:
y=1/2(x+1)^2-2
Vertical shrink by a factor of 1/2, left 1, down 2
Identify the vertex given the quadratic equation:
y=(x-4)^2-1
(4, -1)
What is the y-intercept of the quadratic equation
y=2x^2+8x-12
(0, -12)
The graph of y=-3x2 opens _________;
Therefore, the y-coordinate of the vertex is the _____________ value.
down
maximum
Describe the transformations that take place. The solid graph is the parent function and the dotted graph is the transformation:
Right 2, down 1
Given the transformations from the parent function, write the quadratic equation:
Right 6, down 2
y=(x-6)^2-2
Write the equation for the axis of symmetry for the quadratic equation:
y=(x+2)^2-1
x=-2
What is the x-value of the vertex for the quadratic equation (aka, what is the AOS?!)
y=3x^2-12x+4
x=2
When describing transformations, when a>1 we have a ______________ ______________ in the graph.
When 0<a<1, we have a __________________ _______________ in the graph.
vertical stretch (think skinnier)
vertical compression (think wider)
Describe the transformations that take place. The solid graph is the parent function and the dotted graph is the transformation:
Reflection over the x-axis, left 1, up 3
Given the transformations from the parent function, write the quadratic equation:
Reflection over the x-axis, left 7, up 3
y=-(x+7)^2+3
Which of the following is the correct graph of the quadratic equation:
y=4(x-3)^2+1
B
Find the y-value of the vertex for the quadratic equation
y=-2x^2+8x-6
y=2
Where did Mrs. Henderson go to High School?
And where did she go to college?
Crandall HS - Go Pirates!
Texas A&M! Whoop!
****DOUBLE JEOPARDY!!***** What are the following characteristics of the function?
Vertex, axis of symmetry, max or min, domain & range
Vertex:(3, 1)
aos: x= 3
max or min: min 1
domain: all real numbers
range: y is greater than or = to 1
Given the transformations from the parent function, write the quadratic equation:
Reflection over the x-axis, vertical stretch by a factor of 4, left 2, and up 2
y=-4(x+2)^2+2
Write the equation of the quadratic equation given the graph below:
y=-(x-2)^2+4
Which of the following is the correct graph of the quadratic equation?
y=x^2+2x-1
C
Name at least three sports/groups/activities Mrs. Henderson was a part of in High School
There are so many... we will discuss....