Understanding the Flawed Proof
Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Standards-aligned
Jackson Turner
FREE Resource
Standards-aligned
Read more
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial assumption made in the proof?
A and B are different real numbers.
A and B are the same real number.
A is greater than B.
A is less than B.
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What operation is performed after multiplying both sides by A?
Dividing both sides by A.
Adding A squared to both sides.
Multiplying both sides by B.
Subtracting A squared from both sides.
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of factoring the left side of the equation?
A squared minus A B.
2A squared plus A B.
2A times the quantity A minus B.
A times the quantity A minus B.
Tags
CCSS.HSA.REI.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the incorrect conclusion reached in the proof?
A minus B equals zero.
Two equals one.
A squared equals A B.
A equals B.
Tags
CCSS.6.EE.B.6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the flaw in the proof?
Division by zero.
Addition of unequal terms.
Incorrect multiplication.
Incorrect subtraction.
Tags
CCSS.6.EE.B.6
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