Attributes
What is the y-intercept of the following function:
y=x2+4x-2
(0,-2)
Use these points to find the quadratic function:
(0,0), (1,1), (2,4)
y=x2
Find the focus of the equation.
y=(1/8)x2
(0,2)
Find the directrix.
focus: (0,3)
vertex: (0,0)
y=-3
Factor the following expression.
x2-2x+1
(x-1)(x-1)
or
(x-1)2
What is the axis of symmetry of the following function:
y=x2+4x-2
x=-2
Use these points to find the quadratic function:
(0,1), (-1,4), (2,1)
y=x2-2x+1
Find the focus of the equation.
x=-2y2
((-1/8),0)
Find the directrix.
focus: (-2,0)
vertex: (0,0)
x=2
Factor the following expression.
x2+2x-8
(x+4)(x-2)
Find the Domain and Range of the following function:
y=x2-3x+4
Domain: (-inf,+inf)
{x|x is a real number}
Range: [4,inf)
{y|y>=4}
Use these points to find the quadratic function:
(1,-3), (0,-4), (2,-6)
y=-2x2+3x-4
Find the focus of the equation.
directrix: x=-4
(4,0)
Find the directrix.
focus: (2,4)
vertex: (5,4)
x=8
Factor the following expression.
-y2+17y-72
-(y-8)(y-9)
Does this quadratic expression have minimum or a maximum and what is it?
y=4x2-2x+1
Minimum - 3/4
Use these points to find the quadratic function:
(-1,1), (-3,29), (2,19)
y=4x2+2x-1
Find the focus of the equation.
x=(1/4)(y+1)2+2
(0,2)
Find the directrix.
focus: (5,9)
vertex: (5,2)
y=-5
Factor the following expression.
5x2-17x+6
(5x-2)(x-3)
Find the x-intercepts of the following function:
y=x2-4x-12
x-intercepts: (6,0),(-2,0)
Use these points to find the quadratic function:
(1,6), (2,1), (-2,-15)
y=-3x2+4x+5
Find the focus of the equation.
x=y2-2y-1
((-7/4),1)
Find the directrix from the equation.
y=(1/20)(x-3)2+2
y=-3
Factor the following expression.
16x2-40x+25
(4x-5)(4x-5)
or
(4x-5)2