Transformations
What is Vertical stretch by a factor of 2?
x2 - 3x + 1 = 0
What is standard form?
Name the x-intercepts. y=2(x-2)(x+6)
What is (2,0) and (-6,0)?
Name the vertex y= (x-3)2 +4
What is (3,4)?
y=-(x-4)2+5
What is a reflection over the x-axis, horizontal shift right 4, and vertical shift up 5?
y = 2 (x - 5)² + 6
What is Vertex form?
Name the x-intercepts y=(x)(x-2)
What is (0,0) and (2,0)?
y= (x+1)2 - 8
What is (-1, -8)?
Graph the equation. Must include vertex, and at least one point on each side. y = (x+2)(x-2)
What is graph on board?
Describe the transformation:
y=0.5(x+1)2
What is a vertical compression by a factor of 0.5 and a horizontal shift left 1?
5x2 + x - 1 = 0
What is standard form?
Name the x-intercepts. y=x2 - 4
What is (-2,0) and (2,0)?
y=(x+4)(x-4)
What is (0,-16)?
Graph the equation. Must include vertex, and at least one point on each side. y=(x+1)2 - 2
What is graph on board
Describe the transformation:
y=-4x2+8
What is a reflection over the x-axis, a vertical stretch by a factor of 4, and a vertical shift up 8.
y = 2(x-1)(x+7)
What is intercept form?
Name the x-intercepts y=x2 - x - 2
What is (-1,0) and (2,0)?
Name the vertex y=x2 - 4x - 5
What is (2,-9)?
Graph the equation. Must include vertex, and at least one point on each side. y=(x-4)2 + 3
What is graph on board.
Describe the transformation:
y=1/4(x+6)2+2
What is a vertical compression by a factor of 1/4, a horizontal shift left 6, and a vertical shift up 2.
y = - 1/2 (x + 7)2 - 4
What is vertex form?
Name the x-intercepts. y= (x-1)2 + 1
What is None?
Name the vertex y = 2x2 + 4x - 6
What is (-1,-8)?
Graph the equation. Must include vertex, and at least one point on each side. -x2 -6x + 1 = 0
What is graph on board