Formulas
x= -b/ 2a
Axis of symmetry
What are the x intercepts of y = -(x+1)(x-4)
(-1,0) (4,0)
The maximum or minimum of a quadratic equation
Vertex
What is the Axis of symmetry of the following Function?
y=x2
X=0(y-axis)
x= +-b √( b² - 4ac) /2a
Quadratic formula
What is the vertex of
y = (x+5)² - 1
(-5,-1)
Does the graph of this equation open up or down? y = -4(x-2)² + 2
Open Down
Does the graph open up or open down?
Concavity
What is the Axis of symmetry of the following Function?
y=(x-1)2+3
X=1
y= ax² + bx + c
Standard form of a quadratic equation
What is the vertex for
y=3x2-6x+4
(1,1)
X=2
Axis of Symmetry
What is the Axis of symmetry of the following Function?
y=x2+4x+4
X=-2
y= a(x - h)² + k
Vertex Form of a quadratic equation
What is the vertex of y =x2
(0,0)
The point is reflected over the axis of Symmetry
Mirror Point
What is the Vertex of the following Function?
y=3x2+6x+4
(-1,1)
y= a(x - p)(x - q)
What is intercept form.
What is the vertex of y = 2x2-16x+31
(4,-1)
Does the graph of this equation open up or down? y = -3(x+4)² - 2
Open down
What is the shape of a Quadratic Graph Called?
What is a Parabola
What is the Vertex of the following Function?
y=2x2+7x+6
(-1.75,-0.125)