Basics
y-intercept of f(x) = 12x2 -23x + 6
What is 6?
Determine the Zeros for:
(x - 3)(x + 8) = 0
What are (-8, 0) and (3, 0)
h(t) = -16t2 + 70t + 7 gives the height of a ball (in ft) at any time (in sec). The initial velocity of the ball is this value.
What is 70 ft/sec?
Find the coordinates of the vertex for:
g(x) = (x - 5)2 + 6.
What is (5, 6)?
Determine the Line of Symmetry for:
f(x) = 2x2 + 20x + 7
What is x = -5?
Give another name for the Zeros of a function.
Double points if you can provide 2 names.
What are Roots and x-intercepts?
Determine the zeros of:
(2x + 10)(x - 4) = 0
What are (4, 0) and (-5, 0)
A quadratic has vertex = (-5, 20) and one Zero at (2, 0). Find the coordinates of the other Zero.
What is (-12, 0)?
True or False, the vertex of the function
f(x) = 0.3(x - 2)2 - 10
is a Maximum.
What is FALSE?
Convert the quadratic below into General Form:
g(x) = (x + 6)(x - 2)
What is g(x) = x2 + 4x - 12?
The term used to describe the graph of a quadratic function.
What is a Parabola?
r1 = 4 and r2 = -1, write an expression for this quadratic function.
What is f(x) = (x - 4)(x + 1)?
h(t) = -16(t - 3)2 + 200 gives the height of a ball (in ft) at any time (in sec). The maximum height of the ball is this value.
What is 200 feet?
A quadratic has vertex at (-7, 4) and a dilation factor of 6.0. Write an expression for this function.
What is f(x) = 6.0(x + 7)2 + 4?
This British physicist, best known for his work on Black Holes, died in 2018.
Who is Stephen Hawking?
These are Washburn HS's school colors.
What are Blue and Orange?
Determine the Zeros of:
f(x) = x2 + 6x - 55
What are (-11, 0) and (5, 0)?
A ball is dropped off the roof of a 144 foot tall building. Its height is given by h(t) = -16t2 + 144
Find the time when the ball hits the ground.
What is t = 3.0 seconds?
g(x) = (x + 4)(x - 8) has Zeros at:
x = -4 and x = +8.
Find the coordinates of the Vertex.
What is Vertex = (2, -36)?
f(x) = x2 - 4x + 10 has Line of Symmetry of x = 2.
Find the coordinates of its Vertex.
What is Vertex = (2, 6)?
The number of zeros that the function
f(x) = x2+10 has.
What is Zero?
f(x) = x2 - 2x - 24
What are (-4, 0) and (6, 0)?
Convert the function
f(x) = (x + 5)2 - 10 to General Form.
What is f(x) = x2 + 10x + 15?
Convert the function below to Vertex Form:
f(x) = x2 + 6x + 10.
What is f(x) = (x + 3)2 + 1?
Use the Quadratic Formula (see board) to find the Zeros of:
f(x) = x2 - 5x + 3
What is x = 2.5 plus/minus 0.5*SQRT(13)?