Skip to main content
Editing a multiple choice - 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 align="justify"><font face="times new roman,times,serif" size="4"><em>La siguiente ecuación </em></font></p> <p style="text-align: center;"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><font face="times new roman,times,serif" size="4"><em><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><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¨»«mi»#par_2«/mi»«/math»</span></span></span></span></span></span></span></span></span></span></span></span></span></span></em></font></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p> <p align="justify"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span><font face="times new roman,times,serif" size="4"><em>representa una parábola que tiene como gráfico:</em></font></p> <p style="text-align: center;"><font face="times new roman,times,serif" size="4"><em>#graf</em></font></p> <p align="justify"><font face="times new roman,times,serif" size="4"><em></em></font></p> <p align="justify"><font face="times new roman,times,serif" size="4"><em>Entonces, las coordenadas del vértice, las coordenadas del foco y la directriz son, respectivamente:</em></font></p>
Default mark
General feedback
<p align="justify"><font face="times new roman,times,serif" size="4"><em>Solución:</em></font></p> <p align="justify"><font face="times new roman,times,serif" size="4"><em>Recordemos que la parábola que de eje focal horizontal tiene como ecuación:</em></font></p> <p style="text-align: center;"><span class="nolink"><font face="times new roman,times,serif" size="4"><em><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><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"»«msup»«mfenced»«mrow»«mi»y«/mi»«mo»-«/mo»«mi»k«/mi»«/mrow»«/mfenced»«mn»2«/mn»«/msup»«mo»=«/mo»«mn»4«/mn»«mi»c«/mi»«mfenced»«mrow»«mi»x«/mi»«mo»-«/mo»«mi»h«/mi»«/mrow»«/mfenced»«/math»</span></span></span></span></span></span></span></span></span></span></span></span></span></em></font></span></p> <p align="justify"><font face="times new roman,times,serif" size="4"><em>donde <span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><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"»«mfenced»«mrow»«mi»h«/mi»«mo»,«/mo»«mi»k«/mi»«/mrow»«/mfenced»«/math»</span></span></span></span></span></span></span></span></span></span></span></span></span></span> es la coordenada del vértice, <span class="nolink"><span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mi»c«/mi»«/math»</span></span> es la distancia desde el vértice al foco de la parábola.</em></font></p> <p align="justify"><font face="times new roman,times,serif" size="4"><em> Como la parábola es horizontal, la coordenada del foco es <span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><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"»«mfenced»«mrow»«mi»h«/mi»«mo»+«/mo»«mi»c«/mi»«mo»,«/mo»«mi»k«/mi»«/mrow»«/mfenced»«/math»</span></span></span></span></span></span></span></span></span></span></span></span></span></span> y la ecuación de la directriz es <span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><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"»«mi»x«/mi»«mo»=«/mo»«mi»h«/mi»«mo»-«/mo»«mi»c«/mi»«/math»</span></span></span></span></span></span></span></span></span></span></span></span></span></span>.</em></font></p> <p align="justify"><font face="times new roman,times,serif" size="4"><em>En este ejercicio, la parábola tiene como ecuación:</em></font></p> <p style="text-align: center;"><font face="times new roman,times,serif" size="4"><em><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><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"»«mi»#par_2«/mi»«/math»</span></span></span></span></span></span></span></span></span></span></span></span></span></em></font></p> <p align="justify"><font face="times new roman,times,serif" size="4"><em>Luego, el vértice es:</em></font></p> <p align="justify"><font face="times new roman,times,serif" size="4"><em><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><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"»«mfenced»«mrow»«mi»h«/mi»«mo»,«/mo»«mi»k«/mi»«/mrow»«/mfenced»«mo»=«/mo»«mfenced»«mrow»«mi»#h1«/mi»«mo»,«/mo»«mi»#k1«/mi»«/mrow»«/mfenced»«/math»</span></span></span></span></span></span></span></span></span></span></span></span></span></em></font></p> <p align="justify"><font face="times new roman,times,serif" size="4"><em>También, tenemos que:</em></font></p> <p align="justify"><font face="times new roman,times,serif" size="4"><em><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><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"»«mn»4«/mn»«mi»c«/mi»«mo»=«/mo»«mi»#p1«/mi»«mo»§#8658;«/mo»«mi»c«/mi»«mo»=«/mo»«mi»#c1«/mi»«/math»</span></span></span></span></span></span></span></span></span></span></span></span></span></em></font></p> <p align="justify"><font face="times new roman,times,serif" size="4"><em>Como ya tenemos el valor de <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"»«mi»c«/mi»«/math»</span>,</span></span></span></span></span></span> podemos calcular el foco y la directriz de la parábola.</em></font></p> <p align="justify"><font face="times new roman,times,serif" size="4"><em><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><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"»«mtable columnalign="left" rowspacing="0"»«mtr»«mtd»«mi»F«/mi»«mi»o«/mi»«mi»c«/mi»«mi»o«/mi»«mo»:«/mo»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mi»#F01«/mi»«/mtd»«/mtr»«mtr»«mtd/»«/mtr»«mtr»«mtd»«mi»D«/mi»«mi»i«/mi»«mi»r«/mi»«mi»e«/mi»«mi»c«/mi»«mi»t«/mi»«mi»r«/mi»«mi»i«/mi»«mi»z«/mi»«mo»:«/mo»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mi»x«/mi»«mo»=«/mo»«mi»h«/mi»«mo»-«/mo»«mi»c«/mi»«mo»§#8658;«/mo»«mi»#d«/mi»«/mtd»«/mtr»«/mtable»«/math»</span></span></span></span></span></span></span></span></span></span></span></span></span></em></font></p> <p align="justify"><font face="times new roman,times,serif" size="4"><em>Por lo tanto, la alternativa correcta es: </em></font></p> <p style="text-align: center;"><font face="times new roman,times,serif" size="4"><em><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><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"»«mi»#sol«/mi»«/math»</span></span></span></span></span></span></span></span></span></span></span></span></span>.</em></font></p>
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
#sol
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%
-25%
-30%
-33.33333%
-40%
-50%
-60%
-66.66667%
-70%
-75%
-80%
-83.33333%
-90%
-100%
Feedback
<font size="4"><span style="font-family: times new roman,times,serif; font-style: italic;">¡Excelente!</span></font>
Choice 2
Answer
#op1
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%
-25%
-30%
-33.33333%
-40%
-50%
-60%
-66.66667%
-70%
-75%
-80%
-83.33333%
-90%
-100%
Feedback
<p style="font-family: times new roman,times,serif; font-style: italic;"><font size="4">Recuerda que la ecuación de la directriz es:</font></p> <p style="font-family: times new roman,times,serif; font-style: italic;"><font size="4"><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"»«mi»#dir1«/mi»«/math»</span></span></span></span></span></span></font></p> <p style="font-family: times new roman,times,serif; font-style: italic;"><font size="4">y el vértice de la parábola tiene como coordenadas</font></p> <p style="font-family: times new roman,times,serif; font-style: italic;"><font size="4"><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"»«mi»h«/mi»«mo»=«/mo»«mi»#h1«/mi»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mi»y«/mi»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mi»k«/mi»«mo»=«/mo»«mi»#k1«/mi»«/math»</span></span></span></span></span></span> .</font></p>
Choice 3
Answer
#op2
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%
-25%
-30%
-33.33333%
-40%
-50%
-60%
-66.66667%
-70%
-75%
-80%
-83.33333%
-90%
-100%
Feedback
<p style="font-family: times new roman,times,serif; font-style: italic;"><font size="4">El vértice de la parábola tiene como coordenadas:</font></p> <p style="font-family: times new roman,times,serif; font-style: italic;"><font size="4"><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"»«mi»h«/mi»«mo»=«/mo»«mi»#h1«/mi»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mi»y«/mi»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mo»§nbsp;«/mo»«mi»k«/mi»«mo»=«/mo»«mi»#k1«/mi»«/math»</span></span></span></span></span></span> </font></p> <p style="font-family: times new roman,times,serif; font-style: italic;"><font size="4">y el foco se calcula de la siguiente forma:<br /></font></p> <p style="font-family: times new roman,times,serif; font-style: italic;"><font size="4"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mi»#F01«/mi»«/math»</span></span></span></span>.</span></font></p>
Choice 4
Answer
#op3
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%
-25%
-30%
-33.33333%
-40%
-50%
-60%
-66.66667%
-70%
-75%
-80%
-83.33333%
-90%
-100%
Feedback
<p style="font-family: times new roman,times,serif; font-style: italic;"><font size="4">La parábola tiene eje focal horizontal, luego este es:</font></p> <p style="font-family: times new roman,times,serif; font-style: italic;"><font size="4"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mi»#F01«/mi»«/math»</span></span></span></span>.</font></p>
Choice 5
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%
-5%
-10%
-11.11111%
-12.5%
-14.28571%
-16.66667%
-20%
-25%
-30%
-33.33333%
-40%
-50%
-60%
-66.66667%
-70%
-75%
-80%
-83.33333%
-90%
-100%
Feedback
Choice 6
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%
-5%
-10%
-11.11111%
-12.5%
-14.28571%
-16.66667%
-20%
-25%
-30%
-33.33333%
-40%
-50%
-60%
-66.66667%
-70%
-75%
-80%
-83.33333%
-90%
-100%
Feedback
Choice 7
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%
-5%
-10%
-11.11111%
-12.5%
-14.28571%
-16.66667%
-20%
-25%
-30%
-33.33333%
-40%
-50%
-60%
-66.66667%
-70%
-75%
-80%
-83.33333%
-90%
-100%
Feedback
Combined feedback
For any correct response
For any partially correct response
Options
Show the number of correct responses once the question has finished
For any incorrect response
Settings for multiple tries
Penalty for each incorrect try
100%
50%
33.33333%
25%
20%
10%
0%
Hint 1
Hint text
Options
Clear incorrect responses
Show the number of correct responses
Hint 2
Hint text
Options
Clear incorrect responses
Show the number of correct responses
Created / last saved
Created
by
Admin User
on
Tuesday, 17 September 2013, 9:51 AM
Last saved
by
Admin User
on
Tuesday, 17 September 2013, 9:51 AM
There are required fields in this form marked
.