I've been working with Moodle for about 2 weeks now and my district just installed the Algebra question type. I am very confused as to making this type of question.

Lets start basic...

If I have the following question:

and the equation should be y = 3.5x + 4 what would I fill in for the variable and the short answer?

I understand that I can use the short answer type which might be easier for this type of question, but I am just trying to figure out the basics of this question type.

I am also under the assumption that I stick with the "evaluation" comparison method?

Thank you in advance for any help you can give.