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Test-Lidia
Question name
Question text
Quins dels següents nombres són nombres racionals?
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General feedback
One or multiple answers?
Multiple answers allowed
One answer only
Shuffle the choices?
Number the choices?
a., b., c., ...
A., B., C., ...
1., 2., 3., ...
i., ii., iii., ...
I., II., III., ...
No numbering
WIRIS variables
Algorithm
Choice 1
Answer
#a1
Grade
None
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Feedback
Molt bé. És un nombre decimal periòdic i, per tant, és un nombre racional. <br />
Choice 2
Answer
«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfrac»«mi»#b«/mi»«msqrt»«mi»#b«/mi»«/msqrt»«/mfrac»«/math»
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
-5%
-10%
-11.11111%
-12.5%
-14.28571%
-16.66667%
-20%
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-33.33333%
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-83.33333%
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Feedback
Atenció, racionalitzant obtenim que aquesta fracció és <span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«msqrt»«mi»#b«/mi»«/msqrt»«/math»</span></span></span></span></span></span></span></span>, per tant, no és un nombre racional.<br />
Choice 3
Answer
#b3
Grade
None
100%
90%
83.33333%
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70%
66.66667%
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33.33333%
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16.66667%
14.28571%
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11.11111%
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5%
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Feedback
Atenció, és un número decimal no periòdic per tant és un nombre irracional.
Choice 4
Answer
«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mroot»«msup»«mi»#c3«/mi»«mi»#c1«/mi»«/msup»«mi»#c2«/mi»«/mroot»«/math»
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
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-12.5%
-14.28571%
-16.66667%
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Feedback
Molt bé, és un nombre racional, #c.
Choice 5
Answer
«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfrac»«msqrt»«mi»#d1«/mi»«/msqrt»«msqrt»«mi»#d3«/mi»«/msqrt»«/mfrac»«/math»
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
10%
5%
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-12.5%
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Feedback
Molt bé. Racionalitzant, podem veure que és un nombre racional, #d.
Choice 6
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
60%
50%
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33.33333%
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16.66667%
14.28571%
12.5%
11.11111%
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Feedback
Choice 7
Answer
Grade
None
100%
90%
83.33333%
80%
75%
70%
66.66667%
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33.33333%
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Feedback
Choice 8
Answer
Grade
None
100%
90%
83.33333%
80%
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70%
66.66667%
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33.33333%
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-16.66667%
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-66.66667%
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-83.33333%
-90%
-100%
Feedback
Combined feedback
For any correct response
For any partially correct response
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Show the number of correct responses once the question has finished
For any incorrect response
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Penalty for each incorrect try
100%
50%
33.33333%
25%
20%
10%
0%
Hint 1
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Show the number of correct responses
Hint 2
Hint text
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Show the number of correct responses
Created / last saved
Created
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Admin User
on
Monday, 15 July 2013, 9:10 AM
Last saved
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on
Monday, 15 July 2013, 9:10 AM
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