3.5.3
DESCRIPTION
Answer KeyTRANSCRIPT
Quiz: Completing the Square
Question 1a of 12 ( 3 Completing the Square 148138 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 16
Question: What number must you add to complete the square? x2 + 8x = 11
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The correct answer is: 16.
Question 1b of 12 ( 3 Completing the Square 244748 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 9
Question: What number must you add to complete the square?
x2 + 6x = 15
Attempt Incorrect Feedback
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Correct Feedback
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The correct answer is: 9.
Question 1c of 12 ( 3 Completing the Square 244749 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 4
Question: What number must you add to complete the square? x2 + 4x = 15
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The correct answer is: 4.
Question 2a of 12 ( 3 Completing the Square 148139 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 1
Question: What number must you add to complete the square? x2 + 2x = -1
Attempt Incorrect Feedback
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The correct answer is: 1.
Question 2b of 12 ( 3 Completing the Square 244750 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 36
Question: What number must you add to complete the square?
x2 + 12x = -3
Attempt Incorrect Feedback
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Correct Feedback
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The correct answer is: 36.
Question 2c of 12 ( 3 Completing the Square 244751 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 49
Question: What number must you add to complete the square? x2 + 14x = -5
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The correct answer is: 49.
Question 3a of 12 ( 3 Completing the Square 148140 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 25
Question: What number must you add to complete the square?
x2 + 10x = 14
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Correct Feedback
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The correct answer is: 25.
Question 3b of 12 ( 3 Completing the Square 244752 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 36
Question: What number must you add to complete the square?
x2 + 12x = 16
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Correct Feedback
Global Incorrect Feedback
The correct answer is: 36.
Question 3c of 12 ( 3 Completing the Square 244753 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 25
Question: What number must you add to complete the square?
x2 + 10x = 8
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The correct answer is: 25.
Question 4a of 12 ( 3 Completing the Square 148141 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 16
Question: What number must you add to complete the square?
x2 + 8x = -3
Attempt Incorrect Feedback
1st
Correct Feedback
Global Incorrect Feedback
The correct answer is: 16.
Question 4b of 12 ( 3 Completing the Square 244754 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 36
Question: What number must you add to complete the square? x2 + 12x = -5
Attempt Incorrect Feedback
1st
Correct Feedback
Global Incorrect Feedback
The correct answer is: 36.
Question 4c of 12 ( 3 Completing the Square 244755 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 49
Question: What number must you add to complete the square? x2 + 14x = -7
Attempt Incorrect Feedback
1st
Correct Feedback
Global Incorrect Feedback
The correct answer is: 49.
Question 5a of 12 ( 3 Completing the Square 148142 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 9
Question: What number must you add to complete the square?
x2 + 6x = 13
Attempt Incorrect Feedback
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Correct Feedback
Global Incorrect Feedback
The correct answer is: 9.
Question 5b of 12 ( 3 Completing the Square 244756 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 4
Question: What number must you add to complete the square? x2 + 4x = 12
Attempt Incorrect Feedback
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Correct Feedback
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The correct answer is: 4.
Question 5c of 12 ( 3 Completing the Square 244757 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 25
Question: What number must you add to complete the square?
x2 + 10x = 15
Attempt Incorrect Feedback
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Correct Feedback
Global Incorrect Feedback
The correct answer is: 25.
Question 6a of 12 ( 3 Completing the Square 148143 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 4
Question: What number must you add to complete the square? x2 + 4x = 5
Attempt Incorrect Feedback
1st
Correct Feedback
Global Incorrect Feedback
The correct answer is: 4.
Question 6b of 12 ( 3 Completing the Square 244758 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 1
Question: What number must you add to complete the square?
x2 + 2x = 9
Attempt Incorrect Feedback
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Correct Feedback
Global Incorrect Feedback
The correct answer is: 1.
Question 6c of 12 ( 3 Completing the Square 244759 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 4
Question: What number must you add to complete the square?
x2 + 4x = 7
Attempt Incorrect Feedback
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Correct Feedback
Global Incorrect Feedback
The correct answer is: 4.
Question 7a of 12 ( 3 Completing the Square 154294 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 36
Question: What number must you add to complete the square?
x2 + 12x = -9
Attempt Incorrect Feedback
1st
Correct Feedback
Global Incorrect Feedback
The correct answer is: 36.
Question 7b of 12 ( 3 Completing the Square 244760 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 64
Question: What number must you add to complete the square?
x2 + 16x = -7
Attempt Incorrect Feedback
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Correct Feedback
Global Incorrect Feedback
The correct answer is: 64.
Question 7c of 12 ( 3 Completing the Square 244761 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 81
Question: What number must you add to complete the square?
x2 + 18x = -13
Attempt Incorrect Feedback
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Correct Feedback
Global Incorrect Feedback
The correct answer is: 81.
Question 8a of 12 ( 3 Completing the Square 154295 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 25
Question: What number must you add to complete the square?
x2 + 10x = 31
Attempt Incorrect Feedback
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Correct Feedback
Global Incorrect Feedback
The correct answer is: 25.
Question 8b of 12 ( 3 Completing the Square 244763 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 16
Question: What number must you add to complete the square?
x2 + 8x = 34
Attempt Incorrect Feedback
1st
Correct Feedback
Global Incorrect Feedback
The correct answer is: 16.
Question 8c of 12 ( 3 Completing the Square 244764 )
Maximum Attempts: 1
Question Type: Text Fill In Blank
Maximum Score: 2
Is Case Sensitive: false
Correct Answer: 100
Question: What number must you add to complete the square?
x2 + 20x = 39
Attempt Incorrect Feedback
1st
Correct Feedback
Global Incorrect Feedback
The correct answer is: 100.
Question 9a of 12 ( 3 Completing the Square 148146 )
Maximum Attempts: 1
Question Type: Multiple Choice
Maximum Score: 2
Question: What number must you add to complete the square?
x2 + 12x = 40
Choice Feedback
A. 20
B. 5
*C. 36 Correct!
D. 20
Global Incorrect Feedback
The correct answer is: 36.
Question 9b of 12 ( 3 Completing the Square 244765 )
Maximum Attempts: 1
Question Type: Multiple Choice
Maximum Score: 2
Question: What number must you add to complete the square?
x2 + 16x = 3
Choice Feedback
A. 16
*B. 64 Correct!
C. 72
D. 36
Global Incorrect Feedback
The correct answer is: 64.
Question 9c of 12 ( 3 Completing the Square 244766 )
Maximum Attempts: 1
Question Type: Multiple Choice
Maximum Score: 2
Question: What number must you add to complete the square?
x2 + 24x = 17
Choice Feedback
*A. 144 Correct!
B. 12
C. 24
D. 36
Global Incorrect Feedback
The correct answer is: 144.
Question 10a of 12 ( 3 Completing the Square 148147 )
Maximum Attempts: 1
Question Type: Multiple Choice
Maximum Score: 2
Question: What number must you add to complete the square?
x2 + 10x = 0
Choice Feedback
A. 5
*B. 25 Correct!
C.
D. 3
Global Incorrect Feedback
The correct answer is: 25.
Question 10b of 12 ( 3 Completing the Square 244767 )
Maximum Attempts: 1
Question Type: Multiple Choice
Maximum Score: 2
Question: What number must you add to complete the square?
x2 + 18x = 0
Choice Feedback
A. 18
B. 36
C. 1
*D. 81 Correct!
Global Incorrect Feedback
The correct answer is: 81.
Question 10c of 12 ( 3 Completing the Square 244768 )
Maximum Attempts: 1
Question Type: Multiple Choice
Maximum Score: 2
Question: What number must you add to complete the square?
x2 + 22x = 0
Choice Feedback
A. 11
B. 56
*C. 121 Correct!
D. 22
Global Incorrect Feedback
The correct answer is: 121.
Question 11a of 12 ( 3 Completing the Square 312470 )
Maximum Attempts: 1
Question Type: Multiple Choice
Maximum Score: 2
Question: What number must you add to complete the square?
x2 - 4x = 1
Choice Feedback
A. -2
B. -4
C. 1
*D. 4 Correct!
Global Incorrect Feedback
The correct answer is: 4.
Question 11b of 12 ( 3 Completing the Square 312471 )
Maximum Attempts: 1
Question Type: Multiple Choice
Maximum Score: 2
Question: What number must you add to complete the square?
x2 - 4x = 1
Choice Feedback
A. -2
B. -4
C. 1
*D. 4 Correct!
Global Incorrect Feedback
The correct answer is: 4.
Question 11c of 12 ( 3 Completing the Square 312472 )
Maximum Attempts: 1
Question Type: Multiple Choice
Maximum Score: 2
Question: What number must you add to complete the square?
x2 - 4x = 1
Choice Feedback
A. -2
B. -4
C. 1
*D. 4 Correct!
Global Incorrect Feedback
The correct answer is: 4.
Question 12a of 12 ( 3 Completing the Square 148149 )
Maximum Attempts: 1
Question Type: Multiple Choice
Maximum Score: 2
Question: What number must you add to complete the square?
x2 + 26x = 68
Choice Feedback
*A. 169 Correct!
B. 9
C. 13
D. 26
Global Incorrect Feedback
The correct answer is: 169.
Question 12b of 12 ( 3 Completing the Square 244812 )
Maximum Attempts: 1
Question Type: Multiple Choice
Maximum Score: 2
Question: What number must you add to complete the square?
x2 + 30x = 122
Choice Feedback
A. 22
B. 11
C. 24
*D. 225 Correct!
Global Incorrect Feedback
The correct answer is: 225.
Question 12c of 12 ( 3 Completing the Square 244814 )
Maximum Attempts: 1
Question Type: Multiple Choice
Maximum Score: 2
Question: What number must you add to complete the square?
x2 - 8x = 3
Choice Feedback
A. 8
B. 4
C. -4
*D. 16 Correct!
Global Incorrect Feedback
The correct answer is: 16.