Math 1-6: Warm-up Subtract. 4 – 9 -2 – (-6) |-3| – |7| -21 – (-10)

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Presentation transcript:

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

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

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

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

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

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

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