Conjectures and Counterexamples

Quiz
•
Mathematics
•
7th - 10th Grade
•
Medium
+7
Standards-aligned
Corbin Marshall
Used 641+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A concluding statement reached using inductive reasoning is called a _______
compound statement
conjecture
condition
counterexample
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
To fully disprove a conjecture, one needs to find only ONE counterexample.
True
False
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Which of the following is a counterexample to the following conjecture? If , then x = 2
x = 4
x = -2
x = 2
x = -4
Tags
CCSS.HSA.REI.A.2
CCSS.HSA.REI.B.4
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Which number is a counterexample to the following statement?
For all numbers a, 2a + 7
a = 6
a = 0
a = 5
a = 1
Tags
CCSS.HSA.CED.A.1
CCSS.HSA.CED.A.3
CCSS.HSA.REI.B.3
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Tags
CCSS.6.EE.B.6
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The sum of two negative numbers is ___________.
Tags
CCSS.7.EE.A.1
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Tags
CCSS.4.OA.C.5
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