Vocabulary
Axis of Symmetry
Vertex
All about that Quadratic function
Graphs
100
What is the vertex
The minimum or maximum of a parabola
100
What is equation to find the axis of symmetry?
x = -b / (2a)
100
The turning point of a quadratic function is called the...
What is the vertex
100
Tell whether it is quadratic. Explain
y= -3x +20
No because the highest exponent is not 2
100
How many roots does this funtion have?
One
200
What is the standard form of a quadratic function?
y=ax^2+ bx+c
200
Find the axis of symmetry y =x^2 + 3x +4
What is x=-1.5?
200
This vertical line passes through the vertex
What is axis of symmetry?
200
Is the following function quadratic
y= x^3
Explain
No because the highest exponent is 3. In order to be quadratic the highest exponent must be 2
200
List the x intercept(s), y intercept, and vertex of the graph
x intercepts: -3 and 1
y intercept: 6
Vertex: (-1,8)
300
What is a parabola?
The u shaped graph of a quadratic function
300
Find the axis of symmetry 5x^2-10x+3
What is x=1
300
Is the vertex of this equations a maximum or minimum? y=-x^2-2x
Maximum
300
For y=ax^2 + bx + c, if a is positive which way does the parabola open?
Up
300
List the Domain and Range of the graph
Domain: all real numbers
Range: y greater than or equal to -2
400
What is the axis of symmetry
A vertical line that divides a parabola into two symmetrical halves
400
What is the axis of symmetry of y=x^2?
x=0
400
How would you state the axis of symmetry of an equation that has a vertex at (2, 14)?
x=2
400
For y=ax^2 + bx + c, if a is negative which way does the parabola open?
Down
400
What's the equation for finding the axis of symmetry from the standard equation?
x = -b / 2a
500
Given the a function how can you tell whether it is qUadratic?
If the highest exponent is 2
500
How is the axis of symmetry related to the vertex?
The axis of symmetry is same value of x-coordinate in the vertex
500
How is the vertex related to the axis of symmetry?
Axis of symmetry is a vertical line that passes through the vertex
500
SUPER BONUS QUESTION, DOUBLE JEOPARDY!!
Identify the a, b, and c in the quadratic function below and state the axis of symmetry. y-3x^2 +5 = -4x^2+3
What is a=-1, b =0, c =3 and x =3
500
How many real zeros is it POSSIBLE for a parabola to have?
3 options.
One, two, or three
