1. (2x³ – 5x² + x) + (2x² + x³ – 1) Add Polynomials Like Terms
terms that have
the same variable
Add Polynomials
(2x³ – 5x² + x) +
(2x² + x³ – 1)
You can add polynomials using the vertical or horizontal format.
Vertical Format
Horizontal Format
(2x³ + x³) + (2x² – 5x²) + x – 1
2x³ – 5x² + x
x³ + 2x² – 1
3x³ – 3x² + x – 1
3x³ – 3x² + x – 1

2. (4n² + 5) – (-2n² + 2n – 4) Subtract Polynomials Like Terms 4n² + 5
terms that have
the same variable
(4n² + 5) –
(-2n² + 2n – 4)
You can subtract polynomials using the vertical or horizontal format.
Vertical Format
Horizontal Format
4n²
(4n² + 2n²) – 2n + (5 + 4)
– (-2n² +2n – 4)
+(2n² -2n + 4)
6n² – 2n + 9
6n² – 2n + 9

3. Section 9.2 “Multiply Polynomials”
When multiplying polynomials use the distributive property. Distribute and multiply each term of the polynomials. Then simply.
2x³
(x³ + 3x² - 2x + 5)

4. First Outer Inner Last “Multiply Using FOIL”
When multiplying a binomial and another polynomial use the method.
FOIL
First
Outer
Inner
Last

5. “Multiply Using FOIL”
(3a + 4)
(a – 2)
combine like terms

6. “Using the Binomial Square Patterns and FOIL”
combine like terms

7. With your 2:00 partner, complete Punchline worksheets 12.6 & 12.7.
Clock Partners
With your 2:00 partner, complete Punchline worksheets 12.6 & 12.7.

8. Do Now 2/24/10
Take out HW from last night.
Text p. 572, #4-16 multiples of 4, #24,28,32, 38
Copy HW in your planner.
Complete Punchline worksheets 12.6 & 12.7
Text p. 574, #1-9 all
Quiz Monday sections
In your notes draw a box-and-whisker plot for the following set of data.
32, 18, 2, 9, 35, 12, 16, 16, 20, 26, 25, 23, 28, 3

9. 32, 18, 2, 9, 35, 12, 16, 16, 20, 26, 25, 23, 28, 3
Smallest
Greatest
2, 3, 9, 12, 16, 16, 18, 20, 23, 25, 26, 28, 32, 35 12 26 19
Third quartile
First quartile
Second quartile 2 35 12 19 26