Vertex Form
The transformations made (x+4)2-2
What is Left 4, Down 2?
Determine the vertex and y intercept of f(x)= x2-8x+5
What is
Vertex: (4, -11)
Y-int: (0,5)
?
Factor x2+4x-21
What is y=(x+7)(x-3) ?
What are the solutions to the equation 3x2-4x-9
What is
2+-sqrt(31)/6
?
How many solutions can there be for the linear-quadratic system
{y=x2
{y=2x
What is
2 solutions
?
The axis of symmetry and vertex of (x-5)2-4
What is x=5 and (5,-4)?
Determine the vertex and y intercept of y=3x2-12x+40
What is
Vertex:(2,28)
Y intercept:(0,40)
?
Identify the zeros of y=2(x-9)(x+4)
What is x=-4,9 ?
What are the solutions to the equation 6x2-7x-20
What is
(-4/3,5/2)
?
How many solutions can there be for the linear-quadratic system
{y=x2
{y=2x-1
What is
1 solution
?
Key features of -(x+2)2+7
What is
Axis of symmetry: x=-2
Vertex: (-2,7)
Domain: (-infinity, infinity)
Range: (-infinity, 7]
?
Determine the vertex and y intercept of y=-x2+4x+7
What is
Vertex:(2,11)
Y intercept:(0,7)
?
Solve -4x2+15x+4 by factoring
What is x= -1/4,4 ?
How many and what type of roots does the equation 2x2-7x+3 have
What is
2 real roots
?
How many solutions can there be for the linear-quadratic system
{y=x2
{y=2x-8
What is
no solutions
?
The axis of symmetry and vertex of -(x-3)2
What is x=3 and (3,0)?
What is the equation of a parabola that passes through the points (2,-12), (-1,15), (-4,-90)
What is
y= -4x2+5x-6
?
Identify the interval that y= 2x2-17x+30 is positive
What is x<5/2 or x>6 ?
How many and what type are the solutions to the equation 4x2+12x+9
What is
One Real Root
?
Solve the following equations by using graphing technology
x2+9x-5=4-3x
What is
x~-12.708, 0.708
?
Write an equation to represent the translation 2 units right from the parent function y=x2
What is y=(x-2)2 ?
Determine the vertex and y intercept of f(x)=x2-4x+8
What is
Vertex:(2,4)
Y intercept:(0,8)
?
Write an equation of a parabola with x-intercepts at (1/4,0) and (-7,0) which passes through the point (0,7)
What is y= -(x+7)(4x-1) ?
How many and what type are the solutions to the equation x2+2x+8
What is
2 non-real roots
?
Solve the following equations by using graphing technology
3x2-7x+4=9-2x
What is
x~-0.703,2.37
?