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//Question1
//Define Variables
var onex1, onex2, onec1, onex1pow, onex2pow
//Assigns Random Integers
do {
onex1 = Math.floor(Math.random()*11) - Math.floor(Math.random()*11);
onex2 = Math.floor(Math.random()*11) - Math.floor(Math.random()*11);
onec1 = Math.floor(Math.random()*11) - Math.floor(Math.random()*11);
}
while ( onex1 ==0 || onex1 == -1 || onex2 == 0 || onec1 == 0 || onex1 == 1 || onex2 == 1 || onex2 == -1);
do {
onex1pow = Math.floor(Math.random()*6)+1;
onex2pow = Math.floor(Math.random()*6)+1;
}
while (onex1pow <= onex2pow || onex1pow ==1);
//Answer Choices
//Correct Answer
if (onex2pow == 1 && (onex2pow*onex2 > 0)) {
onecorrectanswer = (onex1pow*onex1).toString() + "x^" + (onex1pow-1).toString() + "+" + (onex2pow*onex2).toString();
}
else if (onex2pow == 1 && (onex2pow*onex2 < 0)){
onecorrectanswer = (onex1pow*onex1).toString() + "x^" + (onex1pow-1).toString() + (onex2pow*onex2).toString();
}
else if (onex2pow-1 == 1 && (onex2pow*onex2 > 0)) {
onecorrectanswer = (onex1pow*onex1).toString() + "x^" + (onex1pow-1).toString() + "+" + (onex2pow*onex2).toString() + "x";
}
else if (onex2pow-1 == 1 && onex2pow*onex2 < 0) {
onecorrectanswer = (onex1pow*onex1).toString() + "x^" + (onex1pow-1).toString() + (onex2pow*onex2).toString() + "x"
}
else if (onex2pow-1 > 1 && onex2pow*onex2 > 0) {
onecorrectanswer = (onex1pow*onex1).toString() + "x^" + (onex1pow-1).toString() + "+" + (onex2pow*onex2).toString() + "x^" + (onex2pow-1).toString();
}
else {onecorrectanswer = (onex1pow*onex1).toString() + "x^" + (onex1pow-1).toString() + (onex2pow*onex2).toString() + "x^" + (onex2pow-1).toString();}
//Answer1
if (onex2pow == 1 && (onex2pow*onex2 > 0)) {
oneanswer1 = (onex1pow*onex1).toString() + "x^" + (onex1pow).toString() + "+" + (onex2pow*onex2).toString() + "x";
}
else if (onex2pow == 1 && onex2pow*onex2 < 0) {
oneanswer1 = (onex1pow*onex1).toString() + "x^" + (onex1pow).toString() + (onex2pow*onex2).toString() + "x"
}
else if (onex2pow > 1 && onex2pow*onex2 > 0) {
oneanswer1 = (onex1pow*onex1).toString() + "x^" + (onex1pow).toString() + "+" + (onex2pow*onex2).toString() + "x^" + (onex2pow).toString();
}
else {
oneanswer1 = (onex1pow*onex1).toString() + "x^" + (onex1pow).toString() + (onex2pow*onex2).toString() + "x^" + (onex2pow).toString();
}
oneanswer3 = (onex1pow*onex1).toString() + "x^" + (onex1pow+1).toString() + "+" + (onex2pow*onex2).toString() + "x^" + (onex2pow+1).toString();
//Answer2
if (onex2pow == 1 && onex2 > 0) {
oneanswer2 = onex1.toString() + "x^" + (onex1pow-1).toString() + "+" + onex2.toString();
}
else if (onex2pow == 1 && onex2 < 0){
oneanswer2 = onex1.toString() + "x^" + (onex1pow-1).toString() + onex2.toString();
}
else if (onex2pow-1 == 1 && onex2 > 0) {
oneanswer2 = onex1.toString() + "x^" + (onex1pow-1).toString() + "+" + onex2.toString() + "x";
}
else if (onex2pow-1 == 1 && onex2 < 0) {
oneanswer2 = onex1.toString() + "x^" + (onex1pow-1).toString() + onex2.toString() + "x"
}
else if (onex2pow-1 > 1 && onex2 > 0) {
oneanswer2 = onex1.toString() + "x^" + (onex1pow-1).toString() + "+" + onex2.toString() + "x^" + (onex2pow-1).toString();
}
else {
oneanswer2 = onex1.toString() + "x^" + (onex1pow-1).toString() + onex2.toString() + "x^" + (onex2pow-1).toString();
}
//Answer3
if (onex2pow+1 == 1 && onex2pow*onex2 > 0 && onec1 > 0) {
onecorrectanswer = (onex1pow*onex1).toString() + "x^" + (onex1pow+1).toString() + "+" + (onex2pow*onex2).toString() + "x+" + onec1.toString() + "x";
}
else if (onex2pow+1 == 1 && onex2pow*onex2 < 0 && onec1 > 0) {
onecorrectanswer = (onex1pow*onex1).toString() + "x^" + (onex1pow+1).toString() + (onex2pow*onex2).toString() + "x+" + onec1.toString() + "+" + onec1.toString() + "x";
}
else if (onex2pow+1 == 1 && onex2pow*onex2 < 0 && onec1 < 0) {
onecorrectanswer = (onex1pow*onex1).toString() + "x^" + (onex1pow+1).toString() + (onex2pow*onex2).toString() + "x+" + onec1.toString() + onec1.toString() + "x";
}
else if (onex2pow+1 >= 1 && onex2pow*onex2 > 0 && onec1 > 0) {
onecorrectanswer = (onex1pow*onex1).toString() + "x^" + (onex1pow+1).toString() + "+" + (onex2pow*onex2).toString() + "x^" + (onex2pow+1).toString() + "+" + onec1.toString() + "x";
}
else if (onex2pow+1 >= 1 && onex2pow*onex2 > 0 && onec1 < 0) {
onecorrectanswer = (onex1pow*onex1).toString() + "x^" + (onex1pow+1).toString() + "+" + (onex2pow*onex2).toString() + "x^" + (onex2pow+1).toString() + onec1.toString() + "x";
}
else {
onecorrectanswer = (onex1pow*onex1).toString() + "x^" + (onex1pow+1).toString() + (onex2pow*onex2).toString() + "x^" + (onex2pow+1).toString()+ "+" + onec1.toString() + "x";
}
//Place Answer Choices into Array
oneanswerchoices = [oneanswer1, oneanswer2, oneanswer3, onecorrectanswer];
//Randomize Answer Choices
do {
var indexa = Math.floor(Math.random()*oneanswerchoices.length);
var indexb = Math.floor(Math.random()*oneanswerchoices.length);
}
while (indexb == indexa);
do {
var indexc = Math.floor(Math.random()*oneanswerchoices.length);
}
while (indexc == indexa || indexc == indexb);
do {
var indexd = Math.floor(Math.random()*oneanswerchoices.length);
}
while (indexd == indexa || indexd == indexb ||
indexd == indexc);
onea = oneanswerchoices[indexa];
oneb = oneanswerchoices[indexb];
onec = oneanswerchoices[indexc];
oned = oneanswerchoices[indexd];
if (indexa == 3) {
onecorrectchoice = "a"
}
if (indexb == 3) {
onecorrectchoice = "b"
}
if (indexc == 3) {
onecorrectchoice = "c"
}
if (indexd == 3) {
onecorrectchoice = "d"
}
//Question 1 Question
if (onex2pow == 1 && onex2 > 0 && onec1 > 0) {
question1 = "1. What is the first derivative of the curve y = " + onex1.toString() + "x^" + onex1pow.toString() + " + " + onex2.toString() + "x + " + onec1.toString() + "?"
}
else if (onex2pow == 1 && onex2 < 0 && onec1 > 0){
question1 = "1. What is the first derivative of the curve y = " + onex1.toString() + "x^" + onex1pow.toString() + " " + onex2.toString() + "x + " + onec1.toString() + "?"
}
else if (onex2pow == 1 && onex2 < 0 && onec1 < 0){
question1 = "1. What is the first derivative of the curve y = " + onex1.toString() + "x^" + onex1pow.toString() + " " + onex2.toString() + "x " + onec1.toString() + "?"
}
else if (onex2 > 0 && onec1 > 0) {
question1 = "1. What is the first derivative of the curve y = " + onex1.toString() + "x^" + onex1pow.toString() + " + " + onex2.toString() + "x^" + onex2pow.toString() + " + " + onec1.toString() + "?"
}
else if (onex2 < 0 && onec1 > 0) {
question1 = "1. What is the first derivative of the curve y = " + onex1.toString() + "x^" + onex1pow.toString() + " " + onex2.toString() + "x^" + onex2pow.toString() + " + " + onec1.toString() + "?"
}
else if (onex2 < 0 && onec1 < 0) {
question1 = "1. What is the first derivative of the curve y = " + onex1.toString() + "x^" + onex1pow.toString() + " " + onex2.toString() + "x^" + onex2pow.toString() + " " + onec1.toString() + "?"
}
//Question2
//Define Variables
var twox1, twox2, twoc1
//Assigns Random Integers
do {
twox1 = Math.floor(Math.random()*11) - Math.floor(Math.random()*11);
twox2 = Math.floor(Math.random()*11) - Math.floor(Math.random()*11);
twoc1 = Math.floor(Math.random()*11) - Math.floor(Math.random()*11);
}
while (twox1 == 1 || twox2 == 1 || twox1 == -1 || twox2 == -1 || twox1 == 0 || twox2 == 0 || twoc1 == 0);
//find max/min
twocrit = -twox2/(2*twox1);
//Answer Choices
//Correct Answer
if (twox1 > 0) {
twocorrectanswer = twocrit.toFixed(3).replace(/\.?0+$/,"").toString() + ", min"
}
else {
twocorrectanswer = twocrit.toFixed(3).replace(/\.?0+$/,"").toString() + ", max"
}
//Answer1
if (twox1 < 0) {
twoanswer1 = twocrit.toFixed(3).replace(/\.?0+$/,"").toString() + ", min"
}
else {
twoanswer1 = twocrit.toFixed(3).replace(/\.?0+$/,"").toString() + ", max"
}
//Answer2
if (twox1 < 0) {
twoanswer2 = (-twocrit).toFixed(3).replace(/\.?0+$/,"").toString() + ", min"
}
else {
twoanswer2 = (-twocrit).toFixed(3).replace(/\.?0+$/,"").toString() + ", max"
}
//Answer3
if (twox1 > 0) {
twoanswer3 = (-twocrit).toFixed(3).replace(/\.?0+$/,"").toString() + ", min"
}
else {
twoanswer3 = (-twocrit).toFixed(3).replace(/\.?0+$/,"").toString() + ", max"
}
//Place Answer Choices into Array
twoanswerchoices = [twoanswer1, twoanswer2, twoanswer3, twocorrectanswer];
//Randomize Answer Choices
do {
var indexa = Math.floor(Math.random()*twoanswerchoices.length);
var indexb = Math.floor(Math.random()*twoanswerchoices.length);
}
while (indexb == indexa);
do {
var indexc = Math.floor(Math.random()*twoanswerchoices.length);
}
while (indexc == indexa || indexc == indexb);
do {
var indexd = Math.floor(Math.random()*twoanswerchoices.length);
}
while (indexd == indexa || indexd == indexb ||
indexd == indexc);
twoa = twoanswerchoices[indexa];
twob = twoanswerchoices[indexb];
twoc = twoanswerchoices[indexc];
twod = twoanswerchoices[indexd];
if (indexa == 3) {
twocorrectchoice = "a"
}
if (indexb == 3) {
twocorrectchoice = "b"
}
if (indexc == 3) {
twocorrectchoice = "c"
}
if (indexd == 3) {
twocorrectchoice = "d"
}
//Question 2 Question
if (twox2 > 0 && twoc1 > 0) {
question2 = "2. Find the minimum or maximum of y=" + twox1.toString() + "x^2+" + twox2.toString() + "x+" + twoc1.toString() + " and identify if the function has a minimum or maximum."
}
else if (twox2 < 0 && twoc1 > 0)
question2 = "2. Find the minimum or maximum of y=" + twox1.toString() + "x^2" + twox2.toString() + "x+" + twoc1.toString() + " and identify if the function has a minimum or maximum."
else if (twox2 < 0 && twoc1 < 0)
question2 = "2. Find the minimum or maximum of y=" + twox1.toString() + "x^2" + twox2.toString() + "x" + twoc1.toString() + " and identify if the function has a minimum or maximum."
else {
question2 = "2. Find the minimum or maximum of y=" + twox1.toString() + "x^2+" + twox2.toString() + "x" + twoc1.toString() + " and identify if the function has a minimum or maximum."
}
//Question3
//define variables
var threec1, threexpow1, threeypow1
//Assign Random Integers
do {
threec1 = Math.floor(Math.random()*11+1)
}
while (threec1 == 0 || threec1 == 1 || threec1 == -1);
do {
threexpow1 = Math.floor(Math.random()*6+2)
threeypow1 = Math.floor(Math.random()*6+2)
}
while (threexpow1 == threeypow1)
//Answer Choices
//Correct Answer
threecorrectanswer = (threexpow1*threec1).toString() + " * x^" + (threexpow1-1).toString() + " * y^" + threeypow1.toString();
threeanswer1 = (threexpow1*threec1).toString() + " * x^" + (threexpow1).toString() + " * y^" + threeypow1.toString();
threeanswer2 = (threexpow1*threec1*threeypow1).toString() + " * x^" + (threexpow1-1).toString() + " * y^" + (threeypow1-1).toString();
threeanswer3 = (threec1).toString() + " * x^" + (threexpow1-1).toString() + " * y^" + threeypow1.toString();
//Place Answer Choices into Array
threeanswerchoices = [threeanswer1, threeanswer2, threeanswer3, threecorrectanswer];
//Randomize Answer Choices
do {
var indexa = Math.floor(Math.random()*threeanswerchoices.length);
var indexb = Math.floor(Math.random()*threeanswerchoices.length);
}
while (indexb == indexa);
do {
var indexc = Math.floor(Math.random()*threeanswerchoices.length);
}
while (indexc == indexa || indexc == indexb);
do {
var indexd = Math.floor(Math.random()*threeanswerchoices.length);
}
while (indexd == indexa || indexd == indexb ||
indexd == indexc);
threea = threeanswerchoices[indexa];
threeb = threeanswerchoices[indexb];
threec = threeanswerchoices[indexc];
threed = threeanswerchoices[indexd];
if (indexa == 3) {
threecorrectchoice = "a"
}
if (indexb == 3) {
threecorrectchoice = "b"
}
if (indexc == 3) {
threecorrectchoice = "c"
}
if (indexd == 3) {
threecorrectchoice = "d"
}
//Question 3 Question
question3 = "3. Find the partial derivative with respect to x of z = " + threec1.toString() + " * x^" + threexpow1.toString() + " * y^" + threeypow1.toString();
//Qestion4
//define variables
var fourc1, fourc2, fourpow
//Assign Random Integers
fourc1 = Math.floor(Math.random()*11+2);
fourc2 = Math.floor(Math.random()*11+2);
fourpow = Math.floor(Math.random()*6+2);
//Answer Choices
fourcorrectanswer = fourc1.toString() + "/" + fourc2.toString();
fouranswer1 = undefined;
fouranswer2 = 0;
fouranswer3 = fourc2.toString() + "/" + fourc1.toString();
//Place Answer Choices into Array
fouranswerchoices = [fouranswer1, fouranswer2, fouranswer3, fourcorrectanswer];
//Randomize Answer Choices
do {
var indexa = Math.floor(Math.random()*fouranswerchoices.length);
var indexb = Math.floor(Math.random()*fouranswerchoices.length);
}
while (indexb == indexa);
do {
var indexc = Math.floor(Math.random()*fouranswerchoices.length);
}
while (indexc == indexa || indexc == indexb);
do {
var indexd = Math.floor(Math.random()*fouranswerchoices.length);
}
while (indexd == indexa || indexd == indexb ||
indexd == indexc);
foura = fouranswerchoices[indexa];
fourb = fouranswerchoices[indexb];
fourc = fouranswerchoices[indexc];
fourd = fouranswerchoices[indexd];
if (indexa == 3) {
fourcorrectchoice = "a"
}
if (indexb == 3) {
fourcorrectchoice = "b"
}
if (indexc == 3) {
fourcorrectchoice = "c"
}
if (indexd == 3) {
fourcorrectchoice = "d"
}
//Qeustion 4 Question
question4 = "4. Find the limit as x approaches 0 of (" + fourc1.toString() + "x^" + fourpow.toString() + ")/(" + fourc2.toString() + "x^" + fourpow.toString() + ")"
//Question5
//define variables
var fivec1, fivepow1, fivec2, fivelim1, fivelim2
//Get Random Integers
do {
fivec1 = Math.floor(Math.random()*11) - Math.floor(Math.random()*11);
fivec2 = Math.floor(Math.random()*11) - Math.floor(Math.random()*11);
}
while (fivec1 == 1 || fivec2 == 1 || fivec1 == 0 || fivec2 == 0 || fivec1 == -1 || fivec2 == -1);
fivepow1 = Math.floor(Math.random()*6+2);
do {
fivelim1 = Math.floor(Math.random()*11) - Math.floor(Math.random()*11);
fivelim2 = Math.floor(Math.random()*11) - Math.floor(Math.random()*11);
}
while (fivelim1 < fivelim2);
//Answer Choices
fivecorrectanswer = ((((fivec1/(fivepow1+1))*Math.pow(fivelim1,fivepow1+1))+(fivec2*fivelim1))-(((fivec1/(fivepow1+1))*Math.pow(fivelim2,fivepow1+1))+(fivec2*fivelim2))).toFixed(3).replace(/\.?0+$/,"").toString();
fiveanswer1 = ((((fivec1/(fivepow1))*Math.pow(fivelim1,fivepow1))+(fivec2*fivelim1))-(((fivec1/(fivepow1))*Math.pow(fivelim2,fivepow1))+(fivec2*fivelim2))).toFixed(3).replace(/\.?0+$/,"").toString();
fiveanswer2 = (((fivec1*Math.pow(fivelim1,fivepow1+1))+(fivec2*fivelim1))-((fivec1*Math.pow(fivelim2,fivepow1+1))+(fivec2*fivelim2))).toFixed(3).replace(/\.?0+$/,"").toString();
fiveanswer3 = ((((fivec1/(fivepow1-1))*Math.pow(fivelim1,fivepow1-1))+(fivec2*fivelim1))-(((fivec1/(fivepow1-1))*Math.pow(fivelim2,fivepow1-1))+(fivec2*fivelim2))).toFixed(3).replace(/\.?0+$/,"").toString();
//Place Answers into Array
fiveanswerchoices = [fiveanswer1, fiveanswer2,fiveanswer3, fivecorrectanswer];
//Randomize Answer Choices
do {
var indexa = Math.floor(Math.random()*fiveanswerchoices.length);
var indexb = Math.floor(Math.random()*fiveanswerchoices.length);
}
while (indexb == indexa);
do {
var indexc = Math.floor(Math.random()*fiveanswerchoices.length);
}
while (indexc == indexa || indexc == indexb);
do {
var indexd = Math.floor(Math.random()*fiveanswerchoices.length);
}
while (indexd == indexa || indexd == indexb ||
indexd == indexc);
fivea = fiveanswerchoices[indexa];
fiveb = fiveanswerchoices[indexb];
fivec = fiveanswerchoices[indexc];
fived = fiveanswerchoices[indexd];
if (indexa == 3) {
fivecorrectchoice = "a"
}
if (indexb == 3) {
fivecorrectchoice = "b"
}
if (indexc == 3) {
fivecorrectchoice = "c"
}
if (indexd == 3) {
fivecorrectchoice = "d"
}
//Question 5 Question
if (fivec2 > 0){
question5 = "5. Find the area under the curve of y =" + fivec1.toString() + "x^" + fivepow1.toString() + "+" + fivec2.toString() + " between x=" + fivelim2.toString() + " and x=" + fivelim1.toString();
}
else {
question5 = "5. Find the area under the curve of y =" + fivec1.toString() + "x^" + fivepow1.toString() + fivec2.toString() + " between x=" + fivelim2.toString() + " and x=" + fivelim1.toString();
}
//Question Slides
const myQuestions = [
{
question: question1,
answers: {
a: onea,
b: oneb,
c: onec,
d: oned
},
correctAnswer: onecorrectchoice
},
{
question: question2,
answers: {
a: twoa,
b: twob,
c: twoc,
d: twod
},
correctAnswer: twocorrectchoice
},
{
question: question3,
answers: {
a: threea,
b: threeb,
c: threec,
d: threed
},
correctAnswer: threecorrectchoice
},
{
question: question4,
answers: {
a: foura,
b: fourb,
c: fourc,
d: fourd
},
correctAnswer: fourcorrectchoice
},
{
question: question5,
answers: {
a: fivea,
b: fiveb,
c: fivec,
d: fived
},
correctAnswer: fivecorrectchoice
}
];
function buildQuiz() {
// we'll need a place to store the HTML output
const output = [];
// for each question...
myQuestions.forEach((currentQuestion, questionNumber) => {
// we'll want to store the list of answer choices
const answers = [];
// and for each available answer...
for (letter in currentQuestion.answers) {
// ...add an HTML radio button
answers.push(
``
);
}
// add this question and its answers to the output
output.push(
`
${currentQuestion.question}
${answers.join("")}
`
);
});
// finally combine our output list into one string of HTML and put it on the page
quizContainer.innerHTML = output.join("");
}
function showResults() {
// gather answer containers from our quiz
const answerContainers = quizContainer.querySelectorAll(".answers");
// keep track of user's answers
let numCorrect = 0;
// for each question...
myQuestions.forEach((currentQuestion, questionNumber) => {
// find selected answer
const answerContainer = answerContainers[questionNumber];
const selector = `input[name=question${questionNumber}]:checked`;
const userAnswer = (answerContainer.querySelector(selector) || {}).value;
// if answer is correct
if (userAnswer === currentQuestion.correctAnswer) {
// add to the number of correct answers
numCorrect++;
// color the answers green
answerContainers[questionNumber].style.color = "green";
} else {
// if answer is wrong or blank
// color the answers red
answerContainers[questionNumber].style.color = "red";
}
});
// show number of correct answers out of total
resultsContainer.innerHTML = `${numCorrect} out of ${myQuestions.length}`;
}
function showSlide(n) {
slides[currentSlide].classList.remove("active-slide");
slides[n].classList.add("active-slide");
currentSlide = n;
if (currentSlide === 0) {
previousButton.style.display = "none";
} else {
previousButton.style.display = "inline-block";
}
if (currentSlide === slides.length - 1) {
nextButton.style.display = "none";
submitButton.style.display = "inline-block";
} else {
nextButton.style.display = "inline-block";
submitButton.style.display = "inine-block";
}
}
function showNextSlide() {
showSlide(currentSlide + 1);
}
function showPreviousSlide() {
showSlide(currentSlide - 1);
}
const quizContainer = document.getElementById("quiz");
const resultsContainer = document.getElementById("results");
const submitButton = document.getElementById("submit");
// display quiz right away
buildQuiz();
const previousButton = document.getElementById("previous");
const nextButton = document.getElementById("next");
const slides = document.querySelectorAll(".slide");
let currentSlide = 0;
showSlide(0);
// on submit, show results
submitButton.addEventListener("click", showResults);
previousButton.addEventListener("click", showPreviousSlide);
nextButton.addEventListener("click", showNextSlide);
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