Parabolas
U
What is quadratic form?
ax2 + bx + c
What is an x - intercept?
The points where the graph crosses the x - axis.
What is the vertex of the following function?
f(x) = -15(x + 20)2
(-20, 0)
What has a many teeth but does not bite?
A comb.
What is a Parabola?
Graph of a Quadratic Function.
Simplify the following function:
4a + 3a - a = ?
6a
What is a y - intercept?
The point(s) where the graph cross the y-axis.
What is the axis of symmetry for the following function?
f(x) = -5(x -80)2 - 2
AOS: h = -80
What is red but smells like blue paint?
Red paint
What is a quadratic function?
A squared graph.
Which expression is equivalent to 4(6m) + m ?
25 m
What is a vertex?
The starting point of the graph.
f(x) = -15(x + 20)2
Maximum
What kind of room has no doors or windows?
A mushroom
What does a quadratic function look like?
f(x) = x2
Write the word sentence as an equation. The sum of a number x and 9 is 15.
x + 9 = 15
Axis of symmetry
Where the graph is split evenly in half.
Does this function have a minimum or a maximum?
f(x) = 13(x + 2)2 - 4
Minimum
What do Alexander the Great and Winnie the Pooh have in common?
Their middle name... ah ha
What is a parabolic function equivalent to in terms of velocity?
f(t) = v(t)2
Your friend has s pennies. You have 11 pennies. You and your friend have a total of 23 pennies. What equation can you use to find how many pennies your friend has?
s + 11 = 23
End Behavior
Tells you if the end arrows on a graph is approaching positive or negative infinity.
Factor the following function.
x2 + x - 5
(x + 3)(x - 2)
What can you hold in your right hand, but never in your left hand?
Your left hand.