# Fraction Feedback

**URL:** <https://cl.desmos.com/t/fraction-feedback/1937>\
**Category:** Questions\
**Created:** [November 13, 2020, 3:16am UTC](https://cl.desmos.com/t/fraction-feedback/1937 "2020-11-13T03:16:48Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![Julia\_Smith](https://yyz1.discourse-cdn.com/flex031/user_avatar/cl.desmos.com/julia_smith/32/281_2.png) [@Julia\_Smith](https://cl.desmos.com/u/Julia_Smith)\
**Post date:** [November 13, 2020, 3:16am UTC](https://cl.desmos.com/t/fraction-feedback/1937/1 "2020-11-13T03:16:48Z")

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For some reason, I cannot get my answers to register as correct and get my feedback to show up. Here is my activity. The issue is on slide 10.

> **[\[Copy of\] Partial Fraction Decomposition • Activity Builder by Desmos](https://teacher.desmos.com/activitybuilder/custom/5fad79df89a0093db87066e4)**
>
> by Julia Smith

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**Author:** ![Daniel\_Grubbs](https://yyz1.discourse-cdn.com/flex031/user_avatar/cl.desmos.com/daniel_grubbs/32/719_2.png) [@Daniel\_Grubbs](https://cl.desmos.com/u/Daniel_Grubbs)\
**Post date:** [November 13, 2020, 7:58am UTC](https://cl.desmos.com/t/fraction-feedback/1937/2 "2020-11-13T07:58:31Z")

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You have double slashes, which is what the error means by “double escaping”. You only need one.

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<div class="post-metadata">

**Author:** ![Julia\_Smith](https://yyz1.discourse-cdn.com/flex031/user_avatar/cl.desmos.com/julia_smith/32/281_2.png) [@Julia\_Smith](https://cl.desmos.com/u/Julia_Smith)\
**Post date:** [November 13, 2020, 3:00pm UTC](https://cl.desmos.com/t/fraction-feedback/1937/3 "2020-11-13T15:00:55Z")

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I should have taken them out last night before sending it. I originally did not have the double slashes and it still wouldn’t work. I have tried with no slashes, one slash, and double slashes. Still not registering feedback.

> **[Partial Fraction Decomposition • Activity Builder by Desmos](https://teacher.desmos.com/activitybuilder/custom/5fad79df89a0093db87066e4)**
>
> by Julia Smith

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<div class="post-metadata">

**Author:** ![Daniel\_Grubbs](https://yyz1.discourse-cdn.com/flex031/user_avatar/cl.desmos.com/daniel_grubbs/32/719_2.png) [@Daniel\_Grubbs](https://cl.desmos.com/u/Daniel_Grubbs)\
**Post date:** [November 13, 2020, 5:34pm UTC](https://cl.desmos.com/t/fraction-feedback/1937/4 "2020-11-13T17:34:38Z")

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I guess this is one of those cases where they don’t recommend matching latex. This works:

```auto
correct= this.numericValue=1.25 and countNumberUsage(this.latex,5)=1 
and countNumberUsage(this.latex,4)=1

```

Only change the numericValue to negative for the other one.  
Also, there’s only one Submit button so you need to take out `ex2d.submitted`

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<div class="post-metadata">

**Author:** ![Julia\_Smith](https://yyz1.discourse-cdn.com/flex031/user_avatar/cl.desmos.com/julia_smith/32/281_2.png) [@Julia\_Smith](https://cl.desmos.com/u/Julia_Smith)\
**Post date:** [November 13, 2020, 6:24pm UTC](https://cl.desmos.com/t/fraction-feedback/1937/5 "2020-11-13T18:24:01Z")

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So now I don’t get an error in the CL but when I preview it, there is an orange triangle that says “cannot evaluate expression”.

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<div class="post-metadata">

**Author:** ![Daniel\_Grubbs](https://yyz1.discourse-cdn.com/flex031/user_avatar/cl.desmos.com/daniel_grubbs/32/719_2.png) [@Daniel\_Grubbs](https://cl.desmos.com/u/Daniel_Grubbs)\
**Post date:** [November 13, 2020, 7:37pm UTC](https://cl.desmos.com/t/fraction-feedback/1937/6 "2020-11-13T19:37:13Z")

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I saw that error. Looks like because of using numericValue. Just add:

`errorMessage:""`

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<div class="post-metadata">

**Author:** ![alymorello1](https://avatars.discourse-cdn.com/v4/letter/a/c68b51/32.png) [@alymorello1](https://cl.desmos.com/u/alymorello1)\
**Post date:** [November 19, 2020, 6:57pm UTC](https://cl.desmos.com/t/fraction-feedback/1937/7 "2020-11-19T18:57:51Z")

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I also notice an error on slides 9 and 10. You are referencing ex2c, but you labeled the answer box you meant to reference ex2a2.