Vocabulary
Name that Y-intercept
Crossing the Line
The Vertex
More Vocabulary
100
Every quadratic equation has a U-shaped graph called this.
What is parabola?
100
x2 - x + 1 = 0
(0, 1)
100
Name the x-intercepts. y=2(x-2)(x+6)
What is (2,0) and (-6,0)?
100
Name the vertex y= (x-3)2 +4
What is (3,4)?
100
How do you find the axis of symmetry?
What is use the x-value of the vertex or the equation -b/2a?
200
The highest or lowest point on a parabola.
What is the vertex?
200
y = 2 (x - 5)² + 6
(0, 56)
200
Name the roots y=(x)(x-2)
What is (0,0) and (2,0)?
200
y= (x+1)2 - 8
What is (-1, -8)?
200
The narrower of these two graphs
y = (1/2)x2
y = 2x2
What is y = 2x2
300
When a quadratic equation is written in this form y = ax2 +bx + c
What is the standard form?
300
5x2 + x - 1 = 0
(0, -1)
300
Name the zero of the functions y=x2 - 4
What is (-2,0) and (2,0)?
300
300
The name of the app that we have used in class to find the key features of a quadratic?
What is desmos?
400
This is the number before the x2 that determines whether a parabola opens up or down.
What is the a-value?
400
y = 2(x-1)(x+7)
(0, -14)
400
Name the x-intercepts y=x2 - x - 2
What is (-1,0) and (2,0)?
400
Name the vertex x2 - 4x - 5 = 0
What is (2,-9)?
400
Provide the y-intercept of y = x2 + 6.
What is (0, 6)?
500
The line that runs through the vertex and divides the parabola in half.
What is axis of symmetry?
500
y = - 1/2 (x + 7)2
(0, -24.5)
500
when f(x)=0, f(x)= (x-1)2 + 1 , x=?
What is None?
500
Name the vertex 2x2 + 4x - 6 = 0?
What is (-1,-8)?
500
This quadratic would have a minimum or a maximum -x2 - 6x + 1 = 0.
What is a maximum?