1. Math 1-6: Warm-up Subtract. 4 – 9 -2 – (-6) |-3| – |7| -21 – (-10)
Evaluate the expression |a| + c – b
if a = -1, b = 3, and c = -5.
The balance in Kory’s checking account was $45. After writing a check, the balance was -$14. What was the amount of the check?
A. $14 B. $31 C. $45 D. $59

2. Math 1-6: Multiplying and Dividing Integers
Objective: How to multiply and divide integers.

3. What sign do I use?
The product/quotient of 2 integers with the same sign is POSITIVE.
Even # of negatives = positive
The product/quotient of 2 integers with different signs is NEGATIVE.
Odd # of negatives = negative

4. Examples
8(-4)
-5(7)
-12(-12)

5. Examples
6(-2)(-4)
30 ÷ (-5)
(-5)3
-2(4)(-3)(-10)
-2(-4)2

6. Algebraic Expressions
Evaluate 3x – (-4y) if x = -10 and y = -4.

7. Assignment
Pg. 37 (16-32e; 36-46e; 50-56e; 34ec)