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Vectors

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The math engine can perform advanced operations such as the addition of Vectors, determinants of Matrices. The evaluation can recognize equivalent forms, consider a primitive example: if the expected answer is 2+4 and the student enters 3+3, this will grade as correctly. If the intention is for a more precise type of answer, then you need to use the "advanced options", or the "Literal" checking mode.

 

Vectors:

Vectors in component form can be entered with triangle brackets on the keyboard, e.g.

 

Screen_Shot_2020-10-12_at_11.33.59_AM.png

 

You can also create vector equations as answers, .e.g.

<1,2>+<2,3> = <3,5>

 

Or enter them symbolically with the full keypad as follows:

Screen_Shot_2020-10-12_at_11.36.54_AM.png

 

Vector questions can also be created in graphing mode, for example:

Draw the following vector:

 

<1,2>

Screen_Shot_2020-08-07_at_1.19.20_PM.png 

In preview mode, the following is an example of an incorrect student answer:

 

Screen_Shot_2020-10-12_at_11.39.33_AM.png

While these are correct answers:

Screen_Shot_2020-10-12_at_11.39.45_AM.png

or at other coordinates:

Screen_Shot_2020-10-12_at_11.40.02_AM.png

You can also enter vector expressions like this:

Screen_Shot_2020-10-12_at_11.56.33_AM.png

and in preview an example with an incorrect response:

Screen_Shot_2020-10-12_at_11.56.55_AM.png

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