Describe
Graph the parent function, then graph f(x). Describe the transformation.
f(x)=(x-5)2
The function f had a horizontal translation 5 units right.
What is the formula for quadratics in vertex form?
f(x)=a(x-h)2+k
What is the equation for quadratics in standard form?
f(x)=ax2+bx+c
What is the formula to find the axis of symmetry?
x=-b/2a
Graph the parent function, then graph f(x). Describe the transformation.
f(x)=(x+3)2-1
The function f had horizontal translation of 3 units left and a vertical translation of 1 unit down.
What is the vertex and axis of symmetry? Graph the function.
f(x)=(x-3)2+4
Vertex(3,4)
Axis of symmetry: x=3
What is the formula to find the axis of symmetry when in standard form?
x= (-b)/2a
The axis of symmetry cuts the parabola _________ vertically.
What is in half?
Graph the parent function, then graph f(x). Describe the transformation.
f(x)=3(x-4)2
The function f had a horizontal translation 4 units right and a vertical stretch of 3.
What is the vertex and axis of symmetry? Graph the function.
f(x)=(x+4)2-2
Vertex: (-4,2)
Axis of symmetry: x=-4
What is the vertex and axis of symmetry?
f(x)= x2-8x+12
vertex (4,-4)
Axis of symmetry: x=4
Find the axis of symmetry for the following quadratic.
y= x^2+8x-5
What is x = 2
Graph the parent function, then graph f(x). Describe the transformation.
f(x)=1/2x2+7
The function f had vertical shrink of 1/2 and a vertical translation of 7 units down.
What is the vertex and axis of symmetry? Graph the function.
f(x)= -2(x+1)2
Vertex: (-1,0)
Axis of Symmetry: x=-1
What is the vertex and axis of symmetry?
f(x)= -x2-8x-15
Vertex: (-4,1)
Axis of symmetry: x=-4
Find the axis of symmetry for the following quadratic.
y= 3x^2
What is x = 0?
Graph the parent function, then graph f(x). Describe the transformation.
f(x)=-4(x-6)2-2
The function f had a vertical stretch of 2 and reflected over the x-axis. The function had a vertical translation of 2 units down and a horizontal translation of 6 units right.
What is the vertex and axis of symmetry? Graph the function.
f(x)=1/3x2+2
Vertex: (0,2)
Axis of symmetry: x=0
What is the vertex and axis of symmetry?
f(x)= 2x2+4x-6
Vertex: (-1,-8)
Axis of Symmetry: x=-1
Write a function in vertex form with a vertex of (-1, -3)
f(x)= (x+1)^2 - 3