IF Sketch Each Graph
y = x2
y = 2x2
y = ­5x2
y = x2
y = 0.2x2
y = ­0.1x2
IF
2(x ­ 3)
Simplify
3x(2x +7)
(all)
Practice
p.21
p. 4­6
1­6
7­8
9­10
Spaeth
Spaeth
10
Spaeth
11­12
Spaeth
12
Spaeth
Spaeth
Spaeth
13­14
15­17
Spaeth
16­17
Spaeth
18­21
Spaeth
21
Spaeth
22­24
2b) I can multiply polynomials to create quadratic equations.
23­24
p.22
non­linear
LT: I can multiply binomials using algebra tiles.
What is the quadratic equation?
1) Place length/width on outside of grid.
1) ______________________________.
How can I multiply to get a quadratic 2) Calculate area(make a rectangle).
2) __________________________________________.
equation?
3) Combine Like Terms.
3) ______________________________________________.
What is an algebra tile?
How do I represent the area of 1 with a shape?
How do I represent the area of x with a shape?
How do I represent the area of x2 with a shape?
1
move stars
talk about area
Calculate each product.
(x + 3)(x + 1)
product: ________________
(2x + 1)(x + 3)
product: ________________
Summary:
Don't f
Pencils down
(x + 3)(x + 1)
infinite clone, touch and drag pieces where they belong.
x
1
x2
x
1
x2
x
x
Pick up p
1
1
x
x
1
x
1
1
1
x2 + 4x + 3
product: ________________
This is how
algebra tile
Pencils down
infinite clone, touch and drag pieces where they belong.
x
1
x
1
1
1
x2
Pick up p
x
x2
x
x
x
x
x2
x
x
x
This is how
algebra tile
1
x
1
1
1
2x2 +7x + 3
product: ________________