GEO: 2-5 QC (algebraic proof)
 1.  Which property is used to justify the following     statement?                          ΔABC≅ΔABCSubstitution Property of ≅Transitive Property of ≅Reflexive Property of ≅Symmetric Property of ≅ 2.  Which property is used to justify the following     statement?                    If a = b and b = c, then a = c.Symmetric Property of =Reflexive Property of =Transitive Property of =Substitution Property of = 3.  Which property is used to justify the following     statement?                            If EF ≅ HG, then HG ≅ EF.Symmetric Property of ≅Reflexive Property of ≅Transitive Property of ≅Substitution Property of ≅ 4.  Which property is used to justify the following     statement?            Let a = 5 and b = 16.              Simplifying 2ab, we arrive at 2(5)(16) = 160.    Substitution Property of =Symmetric Property of =Reflexive Property of =Transitive Property of = 5.  Which property justifies the work from step 1      to step 2 below?Step 1:  5x + 9 = 16Step 2:  5x = 7Subtraction Property of =Multiplication Property of =Addition Property of =Division Property of = 6.  Which property justifies the work from step 1      to step 2 below?Step 1:  7m = 49Step 2:  m = 7Subtraction Property of =Multiplication Property of =Addition Property of =Division Property of = 7.  Which property justifies the work from step 1      to step 2 below?Step 1:  -8 + 6n = 4Step 2:  6n = 12Subtraction Property of =Multiplication Property of =Addition Property of =Division Property of = 8.  Which property justifies the work from step 1      to step 2 below?Step 1:  -x = 15Step 2:  x = -15Subtraction Property of =Multiplication Property of =Addition Property of = 9.  Fill in the missing parts of the proof by dragging     the justifications to the correct step of the proof.1.  4( x - 3 ) = 362.   4x - 12 = 36not used: 3.   4x = 484.   x = 12Subtraction Property of =?Division Property of =?Distributive Property?Addition Property of =?Given? 10.  Fill in the missing parts of the proof by dragging      the justifications to the correct step of the proof.1.  -6( x - 2 ) = 242.   -6x + 12 = 24not used: 3.   -6x = 124.   x = -2Multiplication Property of =?Given?Subtraction Property of =?Division Property of =?Distributive Property? 11.  Fill in the missing parts       of the proof by dragging      the justifications to the       correct step of the proof.1. m∡CAB = 723.   2x + 4x + 6 = 722.  m∡CAD+m∡DAB=m∡CAB4.   6x + 6 = 725.   6x = 666.   x = 11not used: Transitive Property of =?Given?Subtraction Property of =?Division Property of =?Substitution Property of =?Simplify?Angle Add Postulate?
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