1. Adding and Subtracting Polynomials

2. Table of Contents Pg Title Vocab LI/SC, Guided Practice
Adding and Subtracting Polynomials

3. Learning Intention/Success Criteria
LI: We are learning how to add and subtract polynomials SC: I know how to -state the number of terms in an expression or equation -add integers -subtract integers -combine like terms

4. Example 1: Simplify 2x + 3x
2x + 3x 5x

5. Guided Practice 1 Simplify the following: 3g + 7g g + g + g
g + g + g + g + g + g + g
10g

6. Guided Practice 2 Simplify the following: -3k + 6k
A) 3 B) 3k C) -3k D) 3k2
-k + -k + -k
k + k + k + k + k + k

7. Guided Practice 3 Simplify the following: 8w – 12w
A) -4 B) -4w C) 4w D) 4w2

8. Example 2: Simplify (-2x + 3) + (3x – 6)
__________ x
– 3

9. Guided Practice 4 Simplify the following: (-3x + 6) + (5x – 3)
A) 8x – 3 B) 2x + 3 C) -2x + 3 D) -8x – 3
-3x x – 3
_______ 2x
+ 3

10. Guided Practice 5 Simplify the following: (7x – 5) + (-12x + 13)
A) 19x + 18 B) 5x + 8 C) -5x + 8 D) -19x – 18
7x – 5 -12x + 13
_________
-5x
+ 8

11. Example 3: Simplify (18x – 23) – (10x – 5)
__________ 8x
– 18

12. Guided Practice 6 Simplify the following: (30x – 18) – (12x + 5)
A) 18x – 23 B) 42x – 13 C) 18x – 13 D) 42x – 23
30x – x + - 5
__________
18x
- 23

13. Guided Practice 7 Simplify the following: 3 + x -2 + -2x
A) 3x B) 0 C) x – 1 D) – x + 1
3 + x x
_________ 1
- x
-x + 1

14. Example 4: Simplify (2x2 + 3x - 4) + (3x2 – 6x + 4)
____________
5x2
– 3x
+ 0

15. Guided Practice 8 Simplify the following: (5x2 – 4) + (-8x2 + 6x + 10)
A) 13x2 – 6x B) 13x2 + 6x – 6 C) -3x2 + 6x + 6 D) -3x2 – 6x – 6
5x2 + 0x – 4 -8x2 + 6x + 10
___________
-3x2
+ 6x
+ 6

16. Guided Practice 9 Simplify the following:
(-2x2 + 3x – 4 ) – (4x2 – 6x + 3)
A) -6x2 – 9x B) -6x2 + 9x C) -6x2 + 9x – 7 D) 6x2 – 3x – 1
-2x2 + 3x – 4 -4x2 + 6x + -3
___________
-6x2
+ 9x
– 7