Vocabulary
Every quadratic equation has a U-shaped graph called this.
What is parabola?
The form of this equation:
y =x2 - 3x + 1
What is standard form?
Name the x-intercepts of
y=2(x-2)(x+6)
What are (2,0) and (-6,0)?
Name the vertex y= (x-3)2 +4
What is (3,4)?
Graph the equation . y=(x-5)(x-1) Show work
What is graph on board?
The form of this equation:
y = 2 (x - 5)² + 6
What is vertex form?
Name the x-intercepts of
y=(x)(x-2)
What are (0,0) and (2,0)?
The AOS of y= (x+1)2 - 8
What is x=-1?
Graph the equation. y = (x+2)(x-2)
Show Work
What is graph on board?
When a quadratic equation is written in this form y = ax2 +bx + c
What is the standard form?
The form of this equation:
5x2 + 75x - 1 = y
What is Standard Form?
Name the x-intercept.
y=x2 - 4
What is -4?
The range of y=(x+4)(x-4)
What is y>-16?
Graph the equation. y=(x+1)2 - 2
What is graph on board
This letter represents the coefficient of x2 that determines whether a parabola opens up or down.
What is "a"?
The form of this equation:
y = 2(x-1)(x+7)
What is intercept form?
The vertex of
d(x)=–(x+4)(x-2)
What is
(-1, 9)?
The minimum height of x2 - 4x - 5 = 0.
What is -9?
Graph the equation. y=(x-4)2 + 3
What is graph on board.
The line that runs through the vertex and divides the parabola in half.
What is axis of symmetry?
The form of this equation:
y = - x2 + 7
What is vertex or standard form?
The vertex of
y= (1/2)x2 +6x+ 10
What is
(-6, -8)?
Name the maximum height of t(x) = -2x2 + 4x - 6?
What is -4?
Graph the equation. Must include vertex, and at least one point on each side. -x2 -6x + 1 = 0
What is graph on board