Vocabulary
What is the name for a U-shaped graph in the quadratic equation?
Parabola
y=-x2+16
what is a=? b=? c=?
a=-1 b=0 c=16
Name the x-intercepts (Give points where the parabola is crossing the x-axis) y=(x-2)(x+6)
(2,0) and (-6,0)?
What is the formula for the axis of symmetry?
x=-b/2a
For y=−x2+4x+7, what is the x-coordinate of the vertex?
What is x=2?
For the quadratic equation y=x2+2x+3, the axis of symmetry splits the parabola at this x-coordinate
What is x=−1?
What year is recognized as the first Thanksgiving celebration in Plymouth?
What is 1621?
This state produces the most turkeys in the U.S
What is Minnesota?
How do we call the highest or lowest point on a parabola.
Vertex
What is the x-intercept?
Point where the parabola crosses through the x-axis.
Name the x-intercepts. Give points where the parabola is crossing the x-axis. Y=(x)(x-2)
(0,0) and (2,0)
What does the axis of symmetry do?
Axis of symmetry cuts the quadratic equation in half.
If the quadratic equation is y=3x2+12x−5, this is the x-coordinate of the vertex?
What is x=−2?
For the quadratic y=3x2−6x+2, the axis of symmetry is this value.
What is x=1?
This president proclaimed Thanksgiving a national holiday in 1863.
Who is Abraham Lincoln?
This orange vegetable is often baked into a pie for dessert.
What is pumpkin?
What is the name of the form for this quadratic equation? y = ax2 +bx + c
Standard form
What can the sign of the coefficient of an "a" term tell you about the behavior of the parabola? ax^2 +bx + c
The a term tells you whether the parabola is facing upward or downward.
What is the axis of symmetry for this quadratic function? y=x2 + 4x + 4
x=-2
If the quadratic equation is y=2x2−4x+1, what is the x-coordinate of the vertex?
What is x=1?
The axis of symmetry for y=x2+8x+7 lies at this x-value.
What is x=−4?
Thanksgiving became a federal holiday on this day of the week.
What is Thursday?
Canadians celebrate Thanksgiving in this month
What is October?
When the vertex is in the lowest part of the parabola, what is it called?
The minimum
What can the coefficient of an "a" term tell you about the behavior of the parabola? ax^2 +bx + c
a>1 makes the parabola shrink (skinner) a <1 makes the parabola stretch (fatter)
Name the x-intercepts. Use factoring, graphing or quadratic formula to find the points where the parabola crosses through the x-axis. y=x2 - x - 2
(-1,0) and (2,0)
What is the axis of symmetry for this quadratic function? y=x2 -6x +9
x=3
Name the vertex of x2 - 4x - 5 = 0
What is (2,-9)?
For y=5x2+20x+15, the equation of the axis of symmetry is this.
What is x=−2
This Native American tribe is said to have shared the first Thanksgiving with the Pilgrims.
Who are the Wampanoag?
This U.S. football team has played every Thanksgiving since 1934.
Who are the Detroit Lions?
How do we call the line that runs through the vertex and divides the parabola in half.
Axis of symmetry or line of symmetry
Name at least 3 steps that you need to take to graph the quadratic function.
1. Find the axis of symmetry (Find x) 2. Find the value of y 3. Find vertex (x,y) 4. Plot vertex 5. Plot axis of symmetry 6. Use T-chart to plot at least 2 points 7. Use axis of symmetry to plot remaining points
Name the x-intercepts. 4x2 +16x -20
(1,0) and (-5,0)
What is the axis of symmetry for this quadratic function? x2 + 1 = 2x
x = 1
Name the vertex of 2x2 + 4x - 6 = 0?
What is (-1,-8)?
For the quadratic function y=−3x2+6x−2, calculate the coordinates of the vertex?
What is (1,1)?
The Pilgrims arrived in America aboard this famous ship.
What is the Mayflower?
This U.S. retailer started the term “Black Friday” to describe the shopping day after Thanksgiving.
What is Macy’s?