Quadratic Graphs
How many zeros (x-intercepts) can a quadratic function have?
What is 2, 1, or none?
What is easy to identify when a quadratic function is in vertex form?
y intercept
What is the y intercept of this function? (x-3)(-5)
15
What is easy to find when a function is in factored form?
zeros/ x intercepts
What is the only letter not found in the chemical symbols for the elements of the periodic table at the end of the twentieth century?
J
The shape of the graph of a quadratic function.
What is a parabola?
The Turning point of the quadratic function y = 5x2 + 10x - 2 is a ____________________ point.
minimum?
Find the x-intercepts of the following:
y = x2 - 8x - 20
x = 10 and x = -2
In the 2006 film starring Meryl Streep and Anne Hathaway, what does the Devil wear?
Prada
Which of Shakespeare's plays is Taylor Swift's song "Love Story" about?
Romeo and Juliet
The name of the line that divides a quadratic function exactly in half.
What is the axis of symmetry?
Order the following quadratic functions from narrowest to widest:
y=4x2 y=-12x2 y=11x2 y=-2x2
What is y=-12x2, y=11x2, y=4x2, y=-2x2?
Find the zeros of this function: x2-5x+6
(2, 0) and (3,0)
The coordinates of the x-intercepts for the quadratic function:
y=x2 + 2x - 4
x-intercepts (-2, 0) (2, 0)?
Evaluate this function with f(-5):
f(x) = 2x3 + 15x
f(-5) = -325
The name of the point on a quadratic function that will be the maximum or minimum of the function.
What is the Turning Point
Order the following quadratic functions from widest to narrowest:
y=4x2 y=2/3 x2 y=-2x2 y= x2
What is y=2/3 x2, y= x2, y=-2x2, y=4x2
Find the x intercepts and y intercept of this function: b2-6b+8
x intercepts: (2,0) and (4,0)
y intercept: (0,8)
Describe the transformation of y=x2 to
y=(x-4)2+3
Right 4 Up 3
Evaluate this function with f(7):
f(x) = -x2 + 3x
f(7) = -28
Name the five members of One Direction.
Harry, Niall, Louis, Liam, and Zayn
For : y = x2 - 6x + 5
a) state the x-intercepts
b) state the vertex
x = 5 and x = 1
Vertex (3, -4)
Find the zeros, vertex, AND y intercept of this function: a2-a-90
-zeros: (-9,0) and (10,0)
-y int: (0,-108)
vertex: (1/2,-90.25)
Describe the transformation of y=x2 to
y=-(x+2)2+5
Reflected
Left 2
Up 5
Draw this function: x2-4
graph.