Vocabulary
Every quadratic equation has a U-shaped graph called this.
What is parabola?
Compare the following graph to y=x2.
y=x2+2
What is translated up 2
Name the vertex:
y=x2-1
What is (0,-1)
Graph the equation. Must include at least 5 points.
y=(x-4)2+3
Image 1
How many sides does a stop sign have?
What is eight.
The highest or lowest point on a parabola.
What is the vertex? (Maximum and Minimum accepted)
Compare the following graph to y=x2.
y=(x + 10)2
What is translated left 10
Name the vertex:
y=(x+2)2
What is (-2,0)
Graph the equation. Must include at least 5 points.
y =(x+1)2-2
Image 2
In which hand is the statue of Liberty's torch?
Right hand
The line that runs through the vertex and divides the parabola in half.
What is the axis of symmetry.
Compare the following graph to y=x2.
y=(x-2)2-1
What is right 2 and down 1
Name the vertex:
y=(x-4)2+3
What is (4,3)
Graph the equation. Must include at least 5 points.
y=(x-5)(x-1)
Image 3
Whose face is on a dime?
Roosevelt
When a quadratic equation is written in this form:
y=ax2+bx+ c
What is the standard form?
Compare the following graph to y=x2.
y=-(x+4)2+10
What is up 10, left 4, reflected across the x-axis (opens down)
Name the vertex:
y=(x+4)(x-4)
What is (0,-16)
Graph the equation. Must include at least 5 points.
y=x2-6x+1
Image 4
How many sides does a dodecagon have?
What is 12.
x-value that makes the function equal to 0 (same as the x intercept)
What is zero of a function?
Compare the following graph to y=x2.
y=4(x-2)2-15
What is down 15, right 2, stretched vertically (narrow)
Name the vertex:
y=x2+6x+5
What is (-3,-4)
Graph the equation. Must include at least 5 points.
y=x2-4x+4
As a class
How many sides are there on a standard pencil?
What is six sides.