Vocabulary
Every quadratic equation has a U-shaped graph called this.
What is parabola?
x² - 3x + 1 = 0
What is standard form?
Name the vertex y= (x-3)² +4
What is (3,4)?
The common difference of this sequence: 6, 3, 0 , -3...
What is -3?
y = 2 (x - 5)² + 6
What is Vertex form?
y= (x+1)² - 8
What is (-1, -8)?
Simplify 2√ 72
What is 12√ 2?
5x² + x - 1 = 0
What is standard form?
Name the x-intercepts. y=x² - 4
What is (-2,0) and (2,0)?
y=(x+4)(x-4)
What is (0,-16)?
Is the point (3,0) a solution to the system of inequalities below?
{3x + y > 7, x - y< 8}
Yes
This is the number before the x^2 that determines whether a parabola opens up or down.
What is the leading coefficient?
y = 2(x-1)(x+7)
What is intercept/factor form?
Name the x-intercepts y=x² - x - 2
What is (-1,0) and (2,0)?
Name the vertex x² - 4x - 5 = 0
What is (2,-9)?
A number that can be written as a fraction
What is a rational number?
The line that runs through the vertex and divides the parabola in half.
What is axis of symmetry?
y = - 1/2 (x + 7) - 4
What is vertex form?
Name the x-intercepts. y= (x-1)² + 1
What is None?
Name the vertex 2x² + 4x - 6 = 0?
What is (-1,-8)?
Is this relation a function?
(3,0)
(-3,5)
(3,7)
(5,-2)
No