Solving Equations   Vocabulary words
EquationA mathematical sentence that uses an equal signto show that two expressions are equal. X – 26 = 3 is an equation.1...
SolutionThe value that makes the equation true.The solution to the problemx-3 = 7 is 10.solution11/6/2012                 ...
Inverse operationsOperations that “undo” each other.The inverse operation ofaddition is subtraction.11/6/2012             ...
Multiplication property of equalityWhen you multiply each side of the equation bythe same non-zero number, it results in a...
Two-step equationAn equation that contains two different operations.The equation 2x - 3 = 9 is a two-step equation.11/6/20...
TermsThe coefficients, variables and constants thatmake up an equation.In the expression3x + 4y + 7 - 12 + 10x + 6y…3x, 4y...
Addition Property of EqualityWhen you add each side of the equation by thesame nonzero number, it results in an equivalent...
CoefficientThe number in front of a variable.The coefficients in the expression13x + 10y - 5 are 13 and 10                ...
Division Property of EqualityWhen you divide each side of the equation by thesame nonzero number, it results in an equival...
Equivalent EquationsTwo equations that have the same solution.The equations x + 10 = 20 andX = 10 are equivalentequations....
Like termsTerms that look alike involving variables andconstants.In the equation3x + 4y + 7 - 12 + 10x + 6y…3x and 10x, 4y...
Subtraction Property of EqualityWhen you subtract each side of the equation bythe same nonzero number, it results in anequ...
VariableAn unknown quantity that is represented by one ofthe 26 letters of the alphabet.In the equation 3x + 4 = 8, the xi...
11/6/2012            15
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Vocabulary for Equations

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Vocabulary presentation equations

  1. 1. Solving Equations Vocabulary words
  2. 2. EquationA mathematical sentence that uses an equal signto show that two expressions are equal. X – 26 = 3 is an equation.11/6/2012 2
  3. 3. SolutionThe value that makes the equation true.The solution to the problemx-3 = 7 is 10.solution11/6/2012 3
  4. 4. Inverse operationsOperations that “undo” each other.The inverse operation ofaddition is subtraction.11/6/2012 4
  5. 5. Multiplication property of equalityWhen you multiply each side of the equation bythe same non-zero number, it results in anequivalent equation.If I multiply 2/5 on one side of theequation and multiply 2/5 on theother side of the equation, I amshowing the Multiplicationproperty of equality. 11/6/2012 5
  6. 6. Two-step equationAn equation that contains two different operations.The equation 2x - 3 = 9 is a two-step equation.11/6/2012 6
  7. 7. TermsThe coefficients, variables and constants thatmake up an equation.In the expression3x + 4y + 7 - 12 + 10x + 6y…3x, 4y, 7, -12, 10x, 6y are allterms. 11/6/2012 7
  8. 8. Addition Property of EqualityWhen you add each side of the equation by thesame nonzero number, it results in an equivalentequation.If I add 4 to one side of theequation and add 4 to the otherside of the equation, I amshowing the Addition propertyof equality. 11/6/2012 8
  9. 9. CoefficientThe number in front of a variable.The coefficients in the expression13x + 10y - 5 are 13 and 10 coefficient =3b b b b variable11/6/2012 9
  10. 10. Division Property of EqualityWhen you divide each side of the equation by thesame nonzero number, it results in an equivalentequation.If I divide by -3 on one side of theequation and divide by -3 on theother side of the equation, I amshowing the Division propertyof equality.11/6/2012 10
  11. 11. Equivalent EquationsTwo equations that have the same solution.The equations x + 10 = 20 andX = 10 are equivalentequations. 11/6/2012 11
  12. 12. Like termsTerms that look alike involving variables andconstants.In the equation3x + 4y + 7 - 12 + 10x + 6y…3x and 10x, 4y & 6y, 7 & -12 areall like terms11/6/2012 12
  13. 13. Subtraction Property of EqualityWhen you subtract each side of the equation bythe same nonzero number, it results in anequivalent equation.If I subtract 4 on one sideof the equation andsubtract 4 on the other sideof the equation, I amshowing the Subtractionproperty of equality.11/6/2012 13
  14. 14. VariableAn unknown quantity that is represented by one ofthe 26 letters of the alphabet.In the equation 3x + 4 = 8, the xis the variable.11/6/2012 14
  15. 15. 11/6/2012 15

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