Algebra I All-in-One For Dummies. Mary Jane Sterling

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      An added bonus here is that the constant also becomes an integer.

      32 6.

      33 6. By definition, the value of 0! is 1.

      34 639,200.

      35 147. The 9, which will be dropped with the 5 following it, is greater than 5. Round the 6 in the ones place to a 7.

      36 146. The greatest integer smaller than 146.95 is 146.

      If you’re ready to test your skills a bit more, take the following chapter quiz that incorporates all the chapter topics.

Whaddya Know? Chapter 3 Quiz

      Quiz time! Complete each problem to test your knowledge on the various topics covered in this chapter. You can then find the solutions and explanations in the next section.

      1

      2 Which is larger: 5.932 rounded to the nearest integer or ?

      3

      4 Distribute:

      5

      6 What should you add to the expression to get the variable term alone?

      7

      8 Distribute:

      9 Apply the greatest integer function:

      10

      11

      12 Round to the nearest integer:

      13

14 What should you multiply the expression by to get rid of the fraction?

Answers to Chapter 3 Quiz

      1 –11. Work on the braces first. Do the subtraction in the parentheses and add the result to 3. Multiply that sum by 3 and subtract the product from 6. In the last parentheses, find the difference. Then add the result from the braces to this last number.

      2 5.932. 5.932 rounds up to 6, and .

      3 6,642.

      4 . Multiply each term in the parentheses by .

      5 2. Use the commutative property to reverse the order of the middle two factors.

      You will find more on operations involving fractions in Chapter 4.

      6 5. The additive inverse of –5 is 5.

      7 840.

      8 . Multiply each term in the parentheses by 5.

      9 6. The largest integer that is not bigger than is 6.

10 . Work under the radical first. Multiply those last three factors together. Then subtract the result from 25. Find the square root of the difference. Then add to the root. Multiply the two numbers in the denominator. And, finally, divide the numerator by the denominator.

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