## At A Glance

### Substituting Variables Quiz

Check out Bas Rutten's Liver Shot on MMA Surge: http://bit.ly/MMASurgeEp1 In this video, Mahalo math expert Julie Clark gives you a quiz to test your knowledge of?substituting?variables. Question --------------------------------------------------------------------- Solve the equation to the left and choose the best answer below: 1. 42. -233. 11.54. -2.8 If You Chose #1 --------------------------------------------------------------------- That's correct! Check your work below: First, rewrite the problem putting the six in wherever there is an X. Then it's an order of operation problem. There's nothing inside the parentheses, so move on to exponents. Six squared it 36. Now do all multiplication and division from left to right. Since 36 times two is 72, you are left with 13 - (72 / 8). Now divide 72 by eight to get nine. You are left with 13 minus nine, which is four, your final answer. If You Chose #2 --------------------------------------------------------------------- That's incorrect. Here's how to find the correct answer: First, rewrite the problem putting the six in wherever there is an X. Then it's an order of operation problem. There's nothing inside the parentheses, so move on to exponents. Six squared it 36. Now do all multiplication and division from left to right. Since 36 times two is 72, you are left with 13 - (72 / 8). Now divide 72 by eight to get nine. You are left with 13 minus nine, which is four, your final answer. If You Chose #3 --------------------------------------------------------------------- That's incorrect. Here's how to find the correct answer: First, rewrite the problem putting the six in wherever there is an X. Then it's an order of operation problem. There's nothing inside the parentheses, so move on to exponents. Six squared it 36. Now do all multiplication and division from left to right. Since 36 times two is 72, you are left with 13 - (72 / 8). Now divide 72 by eight to get nine. You are left with 13 minus nine, which is four, your final answer. If You Chose #4 --------------------------------------------------------------------- That's incorrect. Here's how to find the correct answer: First, rewrite the problem putting the six in wherever there is an X. Then it's an order of operation problem. There's nothing inside the parentheses, so move on to exponents. Six squared it 36. Now do all multiplication and division from left to right. Since 36 times two is 72, you are left with 13 - (72 / 8). Now divide 72 by eight to get nine. You are left with 13 minus nine, which is four, your final answer. Read more by visiting our page at: http://www.mahalo.com/substituting-variables-quiz/
Length: 00:46

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