Skip to main content
Editing a short answer - math & science question by WIRIS
You have permission to :
Edit this question
General
Category
Default for System (16649)
Test-Lidia
Question name
Question text
<p><span style="color: #003300;"><strong>Calcula les components del vector <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mover mathcolor=¨#003300¨»«mi mathvariant=¨bold¨»u«/mi»«mo mathvariant=¨bold¨»§#8594;«/mo»«/mover»«/math»</span> si:</strong></span><br /><span style="color: #003300;">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»#«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»m«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#160;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#183;«/mo»«mover mathcolor=¨#003300¨»«mrow»«mi mathvariant=¨bold¨»u«/mi»«mo mathvariant=¨bold¨»§#160;«/mo»«mo mathvariant=¨bold¨»§#160;«/mo»«/mrow»«mo mathvariant=¨bold¨»§#8594;«/mo»«/mover»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#160;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»#«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»s«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#160;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»#«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»k«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#160;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#183;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#160;«/mo»«mover mathcolor=¨#003300¨»«mrow»«mi mathvariant=¨bold¨»v«/mi»«mo mathvariant=¨bold¨»§#160;«/mo»«mo mathvariant=¨bold¨»§#160;«/mo»«/mrow»«mo mathvariant=¨bold¨»§#8594;«/mo»«/mover»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#160;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»=«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#160;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»#«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»v_«/mi»«mn mathvariant=¨bold¨ mathcolor=¨#003300¨»1«/mn»«/mstyle»«/math»</span><br /><strong><span style="color: #0000ff;"><span style="color: #003300;">amb <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mover mathcolor=¨#003300¨»«mi mathvariant=¨bold¨»v«/mi»«mo mathvariant=¨bold¨»§#8594;«/mo»«/mover»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#160;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»=«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»#«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»v_«/mi»«mn mathvariant=¨bold¨ mathcolor=¨#003300¨»2«/mn»«/mstyle»«/math»</span></span><br /></span></strong></p> <div style="text-align: left;"><br /><strong><span style="color: #0000ff;"><span style="color: #ff6600;">Format:</span> </span></strong>[-3/5,6/5] (enters o fraccions simplificades)</div>
Default mark
General feedback
No, case is unimportant
Yes, case must match
Correct answers
You must provide at least one possible answer. The first matching answer will be used to determine the score and feedback. Click the icon next to the answer field to edit the mathematical properties of the answer and the question.
Answer 1
Answer
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%
Feedback
Answer 2
Answer
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%
Feedback
Settings for multiple tries
Penalty for each incorrect try
100%
50%
33.33333%
25%
20%
10%
0%
Hint 1
Hint text
<p><span style="color: #0000ff;"><strong>Aïlla «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mover mathcolor=¨#007F00¨»«mrow»«mi mathvariant=¨bold¨»u«/mi»«mo mathvariant=¨bold¨»§#160;«/mo»«mo mathvariant=¨bold¨»§#160;«/mo»«/mrow»«mo mathvariant=¨bold¨»§#8594;«/mo»«/mover»«/mstyle»«/math»:</strong></span><br style="font-weight: bold;" /><span style="color: #0000ff;"><strong>a) Suma o resta #k · «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mover accent=¨true¨»«mi»v«/mi»«mo»§#8594;«/mo»«/mover»«/math» als dos membres: #m · «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mover accent=¨true¨»«mi»u«/mi»«mo»§#8594;«/mo»«/mover»«/math» = #v_1 #t #k · «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mover accent=¨true¨»«mi»v«/mi»«mo»§#8594;«/mo»«/mover»«/math»</strong></span><br /><span style="color: #0000ff;"><strong>b) Substitueix «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mover accent=¨true¨»«mi»v«/mi»«mo»§#8594;«/mo»«/mover»«/math» per #v_2: #m · «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mover accent=¨true¨»«mi»u«/mi»«mo»§#8594;«/mo»«/mover»«/math» = #v_1 #t #k · #v_2</strong></span><br /><span style="color: #0000ff;"><strong>fes la multiplicació: #m ·«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mover accent=¨true¨»«mi»u«/mi»«mo»§#8594;«/mo»«/mover»«/math» = #v_1 #t #v_3</strong></span><br /><span style="color: #0000ff;"><strong>i després la suma/resta: #m · «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mover accent=¨true¨»«mi»u«/mi»«mo»§#8594;«/mo»«/mover»«/math» = #v_4</strong></span><br /><span style="color: #0000ff;"><strong>c) Divideix tot per #m</strong></span></p>
Hint 2
Hint text
Created / last saved
Created
by
Admin User
on
Thursday, 23 August 2018, 4:18 PM
Last saved
by
Admin User
on
Thursday, 23 August 2018, 4:18 PM
There are required fields in this form marked
.