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Published byBartholomew McDowell Modified over 9 years ago
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Turn in pg 58 Signed Sheet Quiz Friday, 2.1, 2.2, 2.4 Check Website if you are gone
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Little by little, one travels far. J. R. R. Tolkien
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Inverse in the real world: If I drive away from my house 98 miles the INVERSE operation would be: to drive back to my house 98 miles. Start end It’s a mathematical operation that causes the reverse effect of what the original mathematical operation was doing
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Name the inverse operation of: Addition by 9 Subtraction by 9 Subtraction by the variable j Addition by the variable j Multiplication by 8 Division by 8 Division by the variable k Multiplication by the variable k Apply each situation to 30… what do you get? 30 + 9
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Lets check out an inverse machine: Start with 5 Subtract 2 Multiply by 7 Lets reverse it using inverses The last thing you do in your operations you must reverse that first
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Start with 21 and get 5 back with two operations. Divide by 7 Add 2 We get 5 back What if we added 2 first then divided by 7? 21+2=23
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Pg 76 3-6, 8-10, 11, 13, 15
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