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Published byFaith Drake Modified over 2 years ago

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Review

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Order of Operations Using a calculator Algebra Graphing Conversions Metric System Weighted Average

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Order of Operations PleaseParenthesis ExcuseExponents MyMultiplication DearDivision AuntAddition SallySubtraction

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Using a Calculator Calculators only do what they are told, they are not psychic Calculators are programmed to follow Order of Operations

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Calculator Example Type this into your calculator: 5*10^2/1*10^3 = *10^2/(1*10^3) = 0.5

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Calculator Example E function (EE) Computer language for (^10 x ) Dont need parenthesis 5E2/1E3 = 0.5

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Algebra Basic branch of math involved with solving equations with variables Basic Rule: whatever you do to one side of an equation, do the same to the other side X – 5 = X =12

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Graphing Always label axes Always have Title Take up most of page Appropriate scale X-axis Y-axis Title

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Any of these Correct? X-axis Title Y-axis X-axis Title Y-axis

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Appropriate Scale All increments have to be EQUAL XXXXXXX Y Y Y Y

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Appropriate Scale?? XXXXXX Y Y Y Y All increments have to be EQUAL

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Conversions Multiplying any quantity by 1 doesnt change the original quantity 5 x 1 = 5 5 x 2/2 = 10/2 = 5 5kg x 1000g/1kg = 5000g

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Conversion Factors Quantity equal to 1 but relates two different measurements 1kg = 1000g 12in = 1ft

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Metric System System of measurement based on factors of 10

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Metric System Conversions Two ways Multiply by a conversion factor Use a table

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Metric System Conversion

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Metric System Table kilom, L, gdecicentimilli kdcm Number Prefix Symbol Power of 10 Base Unit

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1kg ??g kilogramdecicentimilli kggdgcgmg Number Prefix Symbol Power of 10

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1kg 1000g kilogramdecicentimilli kggdgcgmg Number Prefix Symbol Power of 10

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10mL ??L kiloLiterdecicentimilli kLLdLcLmL Number Prefix Symbol Power of 10

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10mL 0.01L kiloLiterdecicentimilli kLLdLcLmL Number Prefix Symbol Power of 10

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Weighted Average Average where all numbers are not equally weighted Must take into account weight of each number Example: Your Grade

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Example HW(30%) 100 Labs(20%) 90 Test(50%) 85 Grade =.3*100+.2*90+.5*85=90.5

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