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How to search for solutions to math questions
Question. Why does zero with a zero exponent come up with an error?? Please explain why it doesn't exist. In other words, what is 00? Answer: Zero to zeroth power is often said to be "an indeterminate form", because it could have several different values. Since x0 is 1 for all numbers x other than 0, it would be logical to define that 00 = 1. But we could also think of 00 having the value 0, because zero to any power (other than the zero power) is zero. Test your myboat075 boatplansatics question myboat075 boatplans puzzle,Tricky quiz. Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. It only takes a minute to sign up. Sign up to join this community. Anybody can ask a question. Anybody can answer. The best answers are voted up and rise to the top. Home. Questions.� Thus, zero cannot be written in scientific notation and using their example is misleading. Could somebody please clarify what benefit there is to defining scientific notation in such a way and give examples none of which are correct representations according to that definition i.e. that zero has multiple representations in scientific notation? algebra-precalculus notation arithmetic number-systems scientific-notation.

By Murray Bourne , 24 Apr I recently updated the search facility on IntMath so it no longer contains advertisements for other sites. I've been monitoring the searches to make sure all is working well. It concerns me a lot of searches made by readers produce poor results. In many cases the topic does exist on IntMath, but the search engine couldn't find what the student was looking for, often because of the way the search was entered. Real examples of such searches are used in this article.

While search engines have improved a lot, search skills still have a long way to go. So here are some hints about how to be more successful when searching for an answer to a math question. Find the title of the chapter or section in your text book or lecture notes and begin your search with that. For example, these searches work well, because they are general enough and contain topic titles typically used in math books:.

Solving quadratic function by quadratic formula. Sin curves. Simpson's rule. Runge kutta. Integrating Logarithmic functions. You'll notice in each case there is a useful page in the first two or three links given in the search result. A lot of students spend just a few seconds looking at the page, hoping to find their exact question there, and so miss the key information provided - information that could help them to solve their problem.

Yes, we all want a "quick fix", but it's far better to grasp the big picture and learn key concepts than it is to waste a lot of time trying to find something which may not be there.

A lot of sites, IntMath included, don't show all the text of a page when it first loads. IntMath includes many Examples and Exercises on each page, and the answers are not immediately visible. Clicking on the "Answer" link makes each answer visible. When users spend just a few seconds looking at a page, I know they can't be discovering the value of those "Answer" sections.

While Google is very forgiving of spelling errors, you are more likely to find what you really want if you enter the correct spelling in your search query. You'll need to know the correct spelling for when you communicate your answers later, so it's a good idea to learn the correct spelling early!

The language used in mathematics is for the most part very precise. Search engines look at user intent and if they can't work out what you want, they can't give good responses.

Find the quadratic equation with alpha and beta given alpha minus beta to equals to two and alpha square minus beta square to be equals to three. As mentioned above, this will rarely result in a useful search result. Sometimes, a really long query gives you "no results found". Find the quadratic equation with roots alpha and beta given alpha minus beta equals two and alpha squared minus beta squared equals three. If the question comes from a text book I hope it was better expressed if it did , go back and read over what a quadratic equation is, and how to find its roots where it will equal zero, i.

If you wanted to use search rather than read your text book, or lesson notes , these two searches would be a good place to start:. You would need to spend some time to read over the pages you find and to try out the examples.

It's unlikely any site will have exactly what is needed for this question, but after following through several examples from several sites, hopefully you would gain enough insight. I added a page to IntMath on this topic, and included this question as Example 2. See Sum and product of the roots of a quadratic equation. This applies also to words like "class", or "standard". This just confuses the search result.

Some sites may be arranged by grade level, but most are by topic since different schools across different countries do topics at different grade levels. Solve 4 by bionomeal equation phyzecs. Class11 the spelling in this example would be very confusing for the search engine, also. Grade 7 this is unlikely to produce a good result on IntMath, as it is arranged by topic. Example: This is an actual math question in Hindi a common language in India , but it doesn't produce any results when searched:.

You could always translate it to English first, then enter it, but it still wouldn't give you useful results, as mentioned earlier. I thought it was strange there were no results, since IntMath has pages on "average value" and exponential functions and also the expression "on the interval" occurs a few times.

So I investigated further, and found the following gave some hopeful results I removed the "0, ln2" at the end :. This gave plenty of results, with a greater emphasis on the logarithm aspects of the question. So a small thing like typing "ln2" rather than putting a space between them, like "ln 2", can make the difference between a successful search result or not.

Sometimes you need to be a bit creative and flexible, especially if you are sure the information should be on the site somewhere. Everyone needs a refresher on their search skills, especially as the search engines are constantly evolving, and having to cope with huge numbers of new pages appearing all the time. Hopefully the above suggestions will help you to be more successful next time you are searching for how to do some math. See the 5 Comments below. Posted in Learning mathematics category - 24 Apr [ Permalink ].

I have found this article to be very useful. I have shared this article with my students and my own children. Additionally, I have used the information to look up math information for myself. When I have spoke to my students about how they search for help with math problems, they make many of the mistakes mentioned in this article. This article has become a reference for them when looking for math solutions. Can someone help with this please? What percentage, at least, must take all three subjects?

There are a total of peanuts divided up into five different bags. The first two bags contain peanuts between the two of them. The second and third bags contain peanuts between the two of them. The third and fourth bags contain 86 peanuts between the two of them. The fourth and fifth bags contain 42 peanuts between the two of them. How many peanuts are in each bag? Your blog URL can be left blank. Notify me of followup comments via e-mail. Your comment:. Preview comment.

Name optional. From Math Blogs. Home � blog � Learning mathematics � How to search for solutions to math questions. How to search for solutions to math questions By Murray Bourne , 24 Apr I recently updated the search facility on IntMath so it no longer contains advertisements for other sites. Start with a general topic Many search are very specific to a particular question, and so result in few results.

For example, these searches work well, because they are general enough and contain topic titles typically used in math books: analytic geometry combinations Solving quadratic function by quadratic formula Sin curves Simpson's rule Runge kutta fourier series Integrating Logarithmic functions.

Class11 the spelling in this example would be very confusing for the search engine, also Grade 7 this is unlikely to produce a good result on IntMath, as it is arranged by topic. Related posts: How to find the equation of a quadratic function from its graph A reader asked how to find the equation of a parabola from its graph Is there a difference between cube root and raising a number to the power Google Trends - math is on the way down Google Trends shows search trends and the relative interest for search terms in different cities, Comment Preview.

NOTE: You can mix both types of math entry in your comment.

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