example.md

title	Single and Multiple Answers Test Example
format	revealjs slide-number scrollable menu learntest false true false checkKey resetKey disableDeckShuffle allowNumberKeys disableOnCheck enableHelp enableSolution disableReset shuffleOptions includeScore defaultCorrect defaultScore exitTarget quizLanguage quizDebug c q true true true true true false false true Correct :-) 4 example.html en false
revealjs-plugins	learntest

A very simple Test question {.quiz-question}

What is the result of $3 + 5 - 2$

• 10
• 8
• [6]{.correct}
• 4

Exercise 1{.quiz-question .quiz-multiple}

Which of the shown numbers are prime numbers?

• 1
• [2]{.correct}
• [3]{.correct}
• 4
• [5]{.correct}
• 6
• [7]{.correct}
• 9
• 10

[]{data-short-help="Prime numbers can only be divided by 1 and themsleves.
1 is no prime number by definition."}
[]{data-short-solution="2, 3, 5, 7 and 11 are prime numbers."}
[]{data-score="3"}

Exercise 2{.quiz-question}

What is the percentage $CO_2$ in the air indicated by a $CO_2$-content of 400ppm?

• $4 \cdot 10^{-5}$
• $4 \cdot 10^{-4}$
• 0.004
• [0.04]{.correct}
• 0.4
• 4

[]{data-help="quiz-example1-Help"}
[]{data-solution="quiz-example1-Solution"}
[]{data-score="4"}

Exercise 3{.quiz-question}

What is the formula for the area of a circle?

• [$πr^2$]{.correct}
• [$2πr$]{data-explanation="This is the formula for the circumference of a circle."}
• [$4πr^2$]{data-explanation="This is the formula for the surface area of a sphere."}
• [$\frac{4}{3}r^3$]{data-explanation="This is the formula for the volume of a sphere."}

Exercise 4{.quiz-question}

The graph shows measurements of radiation y as a function of water depth x.
The measured values are represented by points, and the corresponding regression line is represented by the line.
{width=300 .lightbox }
Which functional relationship describes the regression line?

• $Y(x)= b \cdot x + a$ with $b>0$ and a=2.8
• $Y(x)= b \cdot x + a$ with $b>0$ and a=600
• $Y(x)= b \cdot e^{-a \cdot x}$ with $a>0$ and b=2.8
• [$Y(x)= b \cdot e^{-a \cdot x}$ with $a>0$ and b=600]{.correct}
• $Y(x)= b \cdot x^{-a}$ with $a>0$ and b=600
• None of the answers are correct

[]{data-help="Irrad-Help"}
[]{data-solution="Irrad-Solution"}
[]{data-score="6"}

Summary {.quiz-summary}

On this summary page the following content is automatically generated: