Properties for Proofs
Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
+1
Standards-aligned
DARYL COX
Used 25+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What justifies the conclusion?
If AB = CD, then AB + PQ = CD + PS
Substitution
Addition
Segment Addition
Cannot be justified
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What justifies the conclusion?
If AB = CD, then ½(AB)=½(CD)
Substitution
Multiplication
Reflexive
Cannot be justified
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What justifies the conclusion?
If AB + BC= AC and DF + FE = DE, then AB + BC = DF + FE
Substitution
Segment Addition
Addition
Cannot be justified
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What justifies the conclusion?
If ∠ABC and ∠DEF are a linear pair, then ∠ABC + ∠DEF = 180⁰
linear pair are supplementary
supplementary angles sum to 180o
lines sum to 180o
Cannot be justified
Tags
CCSS.7.G.B.5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What justifies the conclusion?
If AB is perpendicular to DC at P, then DP≅PC
Definition of perpendicular
Definition of Bisector
Definition of midpoint
Cannot be justified
Tags
CCSS.HSG.CO.C.9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What justifies the conclusion?
If AB = DC and PR + AB = QR + DC, then PR + AB - AB = QR + DC - DC
Substitution
Segment Subtraction
Subtraction
Cannot be justified
Tags
CCSS.HSG.SRT.B.5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What justifies the conclusion?
If points P and Q are on circle O, then PO = QO
Reflexive
All radii in a circle are congruent
Chords the intersect congruent arcs are congruent
Cannot be justified
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