Vertex Form
The vertex of
y=(x + 4)2 -1
What is: (-4, -1)?
The x-intercepts for:
y=3(x-2)(x+1)
What are: (2,0) and (-1,0) ?
The vertex of y=3x2-6x+1 ?
What is: (1,-2)?
The vertex of y=-3x2
What is: (0,0) ?
True or False: The directrix and the vertex are equal distant from the focus?
What is: False ?
The vertex of:
y=.5(x-1)2 + 4
What is: (1,4) ?
The x-intercepts of: y=-.5(x-4)(x+1)
What are: (4,0) and (-1,0)?
The vertex of y=4x2-4
What is: (0,-4)?
The vertex of y=2(x-3)2 +1
What is: (3,1) ?
(T of F) The directrix x=4 is a horizontal line.
What is: false ?
The vertex of:
y+1=2(x-2)2
What is: (2,-1) ?
The parabola y=-1/7(x+1)(x-5) opens _______
What is: down?
The parabola y=.5x2+2x-1 opens _______
What is: Up ?
The parabola x=-2y2 opens ______
What is: to the left ?
x=5 is a ______ line. (horiz./vert.)
What is: a vertical line ?
The vertex of:
y=2(2x+4)2-1
What is: (-2,-1) ?
The x-intercepts of y=7x(x+1):
What are:(0,0) and (-1,0) ?
The vertex of y=-2x2-4x
What is: (-1,2) ?
The "p" value for y=-1/8(x2) ?
What is: -2 ?
The domain of a parabola in the form y=ax2+bx+c
What is: All real numbers ?
The vertex of:
y-6 = 1/3(3x+9)2
What is:(-3,6) ?
y=4x2 has one x-intercept at ?
What is: (0,0) ?
The point not on the graph of y=3x2-x+1 ?
a. (0,1)
b.(2,11)
c. (1,2)
What is: c ?
The "p" value is the distance between the vertex and?
What is: the focus?
The Range of y=3x2+2 ?
What is: y > or = to 2 ?