PEMDAS/ FOIL Review.

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Presentation transcript:

PEMDAS/ FOIL Review

PEMDAS P Parenthesis E Exponent M Multiplication D Division A Addition S Subtraction

PEMDAS (9+4) * 2= 13*2 26 4 * (8 +3)= 4 * 11 44 9 + 1 + 2 +4 + (5 + 6)= 9+ 1 +2 +4 + 11 10 + 2 + 4 + 11 12 +4 +11 16 +11 27 10 + 10 + 10 -10 – 10 = 20 +10 -10 -10 30 – 10 -10 20-10 10 100 – 80 + (20 +1) 100-80 + 21 20 + 21 41

F First O Outside I Inside L Last FOIL F First O Outside I Inside L Last

FOIL (8+3) (1+5) = 8 * 1 = 8 (X+3) (X+5) (8+3) (1+5) = 8 * 5 = 40 X * X = X squared (8+3) (1+5) = 3 * 1 = 3 5 * X = 5X (8 +3) (1+5) = 3 * 5 = 15 3 * X = 3X 3 * 5 = 15 40 + 8 = 48 X^2 + 5X + 3X +15 48 +3 = 51 X^2 +8X +15 51 + 15 = 66

FOIL (5-4)(6-3) ----------------- (5 + -4) (6 + -3) 5 X 6 = 30 (-4) * 6 = -24 5 * (-3) = -15 (-4) * (-3) = 12 42 + (-39) = 3

Numbers Real Numbers 1, ¼, .25, 1/3, 100 Whole Numbers 1,2, 3…. Rational Numbers 10/1, 1/1, 5/1, 1/3 ¼, 1/5, 3/6, 9/10 Irrational Numbers Whole Rational Real Numbers Irrational 4.25689537, i