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11 Cards in this Set
- Front
- Back
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We can add, subtract multiply or divide anything to one side of the equation as long as...
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we do the same to the other side, and the equation will still be equal.
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The reflexive property of equality.
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just says that any number is equal to itself
a = a |
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The symmetric property of equality says
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that if a and b are any two numbers and
a = b then b=a |
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What does the transitive property say (about three numbers)
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that if a, b and c are any three numbers and if
a = c and b = c then a = b |
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What is the golden rule of equations?
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Whatever you do to one side of an equation, do exactly the same thing to the other side.
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What is the "exception" to the golden rule.
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It's best not to multiply or divide by zero.
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What must we isolate in order to get a true equation?
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the "?" or the unknown
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What is a arithmetic equation?
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an equation that only has numbers
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What is a conditional equation?
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an equation that has unknowns and is only a true equation if the correct variable is discovered
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What is the implied multiplicaiton rule?
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When two letters, or a letter and a number are side by side it is implied that they are to be multiplied.
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In general, one equation with two unknowns will ususally ...
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have more than one right solution.
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