Vocabulary
Every quadratic equation has a U-shaped graph called this.
What is parabola?
f(x) = x2 - 3x + 1
What is standard form?
Name the x-intercepts. f(x) = 2(x-2)(x+6)
What is (2,0) and (-6,0)?
Name the vertex f(x) = (x-3)2 +4
What is (3,4)?
Graph the equation. Must include vertex, and at least one point on each side. f(x)=(x-5)(x-1)
What is graph on board?
f(x) = 2 (x - 5)² + 6
What is Vertex form?
Name the x-intercepts f(x) =(x)(x-2)
What is (0,0) and (2,0)?
f(x) = (x+1)2 - 8
What is (-1, -8)?
Graph the equation. Must include vertex, and at least one point on each side. f(x) = (x+2)(x-2)
What is graph on board?
When a quadratic equation is written in this form y = f(x) = ax2 +bx + c
What is the standard form?
f(x) = 5x2 + x - 1
What is standard form?
Name the x-intercepts and the vertex . f(x) = x2 - 4
What is x-intercep: (-2,0) and (2,0) and vertex: (0 , -4)?
Name the vertex of f(x) = (x+4)(x-4)
What is (0,-16)?
Graph the equation. Must include vertex, and at least one point on each side. f(x) =(x+1)2 - 2
What is graph on board
This is the number before the x2 that determines whether a parabola opens up or down.
What is the leading coefficient?
f(x) = 2(x-1)(x+7)
What is intercept form?
Name the vertex f(x) = x2 _ 4x - 5
What is (2,-9)?
Graph the equation. Must include vertex, and at least one point on each side. f(x) =(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?
f(x) = - 1/2 (x + 7) - 4
What is vertex form?
Name the x-intercepts. f(x) = (x-1)2 + 1
What is None?
Name the vertex f(x) = 2x2+ 4x - 6 ?
What is (-1,-8)?
Graph the equation. Must include vertex, and at least one point on each side. f(x) = -x2 -6x + 1
What is graph on board