1. Do Now 2/5/19 Take out HW from last night. Copy HW in your planner.
Text p. 369, #4-44 evens
Copy HW in your planner.
Puzzle Time worksheets 7.1 & 7.2
In hockey, a goalie behind the goal line can play a puck in the trapezoidal region.
Write a polynomial that represents the area of the region.
Find the area of the region when the short base is 18 feet.

3. Homework Text p. 369, #4-44 evens

4. Homework Text p. 369, #4-44 evens

5. Learning Goal Learning Target
SWBAT simplify, factor, and solve polynomial expressions and equations
Learning Target
SWBAT practice adding and subtracting polynomials and multiplying polynomials

6. Add Polynomials (2x³ – 5x² + x) + (2x² + x³ – 1) Like Terms
terms that have
the same variable
(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

7. Subtract Polynomials (4n² + 5) – (-2n² + 2n – 4) 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

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

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

10. Simplifying Polynomials in Geometry
What is the area of the blue region?
(3x – 2)(2x + 1)
3x – 2
FOIL
6x² – x – 2
2x + 1 4
4 x 10 = 40 10
6x² – x – 2 – 40 =
6x² – x – 42

11. With your 8:00 partner, complete Puzzle Time worksheets 7.1 & 7.2
Clock Partners
With your 8:00 partner, complete Puzzle Time worksheets 7.1 & 7.2

12. Homework PuzzleTime woksheets 7.1 & 7.2