Vertex form
1/2(x+3)2+5
What is the vertex?
(-3,5)
y=-2x2+4x+3
What is the Axis of Symmetry?
y=ax2+bx+c
f(x)=1/2(2x+3)(2x+9)
If F(x) is y then, What number is y equal to?
0
1/2(x+3)2+5
What step do you use to find the Answer?
1-3-5 step
y=-2x2+4x+3
What is the vertex?
(1,5)
f(x)=½(2x+3)(2x-9)
What is the x in this form? (If needed, Draw on a graph.)
(-1.5,0) and (4.5,0)
1/2(x+3)2+5
What is the answers of the 1-3-5 step.
0.5,1.5,2.5
In the Notes of standard form in step 2, What is the y intercept is in y=-2x2+4x+3?
f(x)=½(2x+3)(2x-9)
What is the axis of symmetry?
1.5
Review for 1/2(x+3)2+5
In the Vertex form Notes, What did step 3 say? Check notes
Step 3: plot all the points and connect.
In Standard form, What step do you need to do to get more points on the graph?
1-3-5
f(x)=½(2x+3)(2x-9)
What is the Vertex?
(1.5,-18)
What letter acts as a slope multiplier In Vertex Form?
"a"
Review: Find your ___ ___ over the axis of symmetry.
Find the missing words in the sentence.
Mirror point
Review: What does the A.O.S mean?
Axis of symmetry