Vocabulary
Every quadratic equation has a U-shaped graph called this.
What is parabola?
x2 - x + 1 = 0
(0, 1)
Name the vertex y= (x-3)2 +4
What is (3,4)?
How do you find the axis of symmetry?
Find the middle
y = 2 (x - 5)² + 6
(0, 56)
Name the roots of Y=(x)(x-2)
What is (0,0) and (2,0)?
Name the vertex: y= (x+1)2 - 8
What is (-1, -8)?
The wider of these two graphs
y = (1/2)x2
y = 2x2
What is y = (1/2)x2
When a quadratic equation is written in this form y = ax2 +bx + c
What is the standard form?
5x2 + x - 1 = 0
(0, -1)
Name the roots of y = -(x + 4)(x - 6)
What is (-4,0) and (6,0)?
Is the vertex a maximum or a minimum?
y = 1/2(x - 1)2 - 5
minimum
Name for when the vertex is the HIGHEST point of the parabola
What is maximum?
The name for the imaginary line that cuts a parabola in half
What is the Axis of Symmetry?
y = 2(x-1)(x+7)
(0, -14)
How many x-intercepts does y = (x - 2)2 have?
What is one?
Name the vertex: y = (x - 1)(x - 7)
What is (4,-9)?
Give the equation for the axis of symmetry:
y = 2(x - 1)(x - 5)
What is x = 3?
These TWO key features always share the same x-value
What is axis of symmetry and vertex?
y = - 1/2 (x + 7)2
(0, -24.5)
How many x-intercepts does y= (x-1)2 + 1 have?
What is None?
Name the vertex: y=(x+4)(x-4)
What is (0,-16)?
What is another word that means the same as zeroes, roots, or solutions?
What is a x-intercepts?