2. AGENDA WARM-UP REVIEW PACKET QUESTIONS?? LESSON 21 EXIT CARD

3. WARM-UP Plot the ordered pairs on the coordinate plane. 1. (3, -4) 2. (-5, -2) 3. (0, -1) 4. (4, 0)

4. LESSON 21: DISTRIBUTIVE PROPERTY AND ORDER OF OPERATIONS Recall: What is the rectangle perimeter formula?

5. DISTRIBUTIVE PROPERTY a(b + c) = a·b + a·c a(b – c) = a·b - a·c “swoop, swoop” **Here, we are expanding**

6. EXPAND. Ex: 5(x + 4)Ex: 7(w – z)

7. THE OPPOSITE OF EXPANDING IS FACTORING -The opposite of multiplying is____________ Ex: Factor: 6x + 15Steps:

8. FACTOR: Ex: dr + dpEx: 8 + 24y

9. ORDER OF OPERATIONS Please - Excuse - My - Dear - Aunt - Sally -

10. SIMPLIFY:

13. Lesson 21 Pp. 143-145: A – M All, #1 – 3 All CP: #22 Due Tuesday