Vocab
The U-shaped graph is called a...
Parabola
The formula to find the A.O.S given standard form.
x=-b/2a
What is a vertex
The highest or lowest point on a graph
What does factored form look like?
a(x+#)(x+#)
True or False:
Your final grade for Alg 1 will be your quarter 3 and 4 grade averaged out.
TRUE!
The invisible line that passes through the vertex and divides the graph in two symmetrical halves.
Axis of Symmetry
Find the A.O.S. for the equation:
2x2 + 8x - 5
x=-2
What is the vertex of the equation:
2(x-4)2 + 5
(4,5)
What are the factors of 48?
1 x 48 4 x 12
2 x 24 6 x 8
3 x 16
How old is Ms. Tsukuda?
Please don't say over 30!
Lowest of highest point on the graph.
Vertex
Find the A.O.S. for the equation:
3x2 + 6x - 2
x=-1
What is the vertex of the equation:
1/9(x-32)2 -32
(32,-32)
Convert to factored form:
x2 + 12x + 36
(x+6)(x+6)
When is your SBA?
You better know it
What is it called when the graph is reflected over the x-axis?
Inverted
Find the A.O.S. for the equation AND SIMPLIFY:
50x2 + 40x - 20
x=-2/5
What is the vertex of the equation:
-4x2+3
(0,3)
Convert to factored form:
x2 -8x + 15
(x-3)(x-5)
When is your EOC?
You better know it...
What happens to the graph when a is a fraction less than one?
It becomes WIDER or has a VERTICAL COMPRESSION.
Find the A.O.S. for the equation:
-4x2 - 5
x=0
What is the vertex of the equation:
369.7602(x+52.38)2 +244.6
(-52.38, 244.6)
Prove to me that:
x2 + 2x -15 is the same thing as (x+5)(x-3)
Points will go to those who are able to prove it!
What is the square root of 72?
Hint: Do we remember all of the bellworks making a tree.
6 root 2