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
Dadas las matrices <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»A«/mi»«mo»=«/mo»«mi»#A«/mi»«/math»</span> y <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»B«/mi»«mo»=«/mo»«mi»#B«/mi»«/math»</span>, calcula <span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»#alfa«/mi»«mo»·«/mo»«mi»A«/mi»«mo»§nbsp;«/mo»«mo»+«/mo»«mo»§nbsp;«/mo»«mi»#beta«/mi»«mo»·«/mo»«mi»B«/mi»«/math»</span>. <br /><br /><span style="text-decoration: underline;">NOTACIÓN </span>de la respuesta: escribe directamente la matriz resultante, usando la herramienta Matrices del menú del editor. <br />
Default mark
General feedback
Para multiplicar una matriz por un número, sólo debes multiplicar el número por cada uno de los elementos de la matriz. <br />Para sumar o restar matrices, sólo debes sumar o restar uno a uno los elementos correspondientes. <br />
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
Muy bien.
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
Atención, revisa los cálculos porque tienes algunos elementos incorrectos.
Answer 3
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
Hint 2
Hint text
Created / last saved
Created
by
Admin User
on
Wednesday, 12 June 2013, 1:11 PM
Last saved
by
Admin User
on
Wednesday, 12 June 2013, 1:11 PM
There are required fields in this form marked
.