Write each decimal as a fraction or mixed number in simplest form. #1. 0.652 #2. 0.18 #3. 0.724 #4. 3.596 Bell Ringer

1st Period Only We will be taking the EXPLORE test on Friday morning. You will be excused from the Bell Ringer. (Free Day whoooo!) You need to use this time to: Get out scratch paper and #2 pencils. NO MECHANICAL!!! Have cell phones ready to place in my basket. Have backpacks ready to set outside.

Homework Check

Quiz Clear your desk of everything except a piece of paper and a pencil. There is to be no talking during the quiz. Turn in to me when you are finished. You can work silently on other work or read a book.

Cubed Roots Continuing 10.1 R drive > Key > Week 10 > Thursday > 10.1 PowerPoint Continued_10.2 PowerPoint File > Save As > P drive > Math > Week 10 > 10.1 PowerPoint Continued_10.2 PowerPoint

Vocabulary Cube Root – One of three equal factors of the number. The symbol is used to indicate the cube root of a number.

Notes Recall that a negative number has no real- number square root because the square of a number cannot be negative. Every integer has exactly one cube root. The cube root of a positive number is positive. The cube root of zero is zero. The cube root of a negative number is negative.

Example 1 Find Cube Roots

Example 2 Find Cube Roots a. b. c.

Your Turn Find Cube Roots

10.2 The Real Number System

Vocabulary Irrational Number – A number that cannot be written as a fraction. Irrational numbers neither terminate nor repeat. Real Numbers – The sets of rational numbers and irrational numbers together make up this set of numbers.

Notes

Example 1 Classify Real Numbers

Example 2 Classify Real Numbers Name all of the sets of numbers to which each real number belongs. Write whole, integer, rational, or irrational.

Your Turn Classify Real Numbers

Example 3 Compare Real Numbers

Example 4 Compare Real Numbers

Your Turn Practice Comparing Real Numbers

Example 5 Order Real Numbers

Example 6 Order Real Numbers

Your Turn Practice Ordering Real Numbers

Example 7 Solve Equations

Example 8 Solve Equations Solve each equation. Round to the nearest tenth, if necessary. W2 = 169 R2 = 50

Your Turn Practice Solving Equations

Example 9 Use Real Numbers to Solve Problems

Example 10 Use Real Numbers to Solve Problems The formula for aspect ratio R is R = s2/A, where s is the wingspan in feet and A is the area of the wing. What is the wingspan of a hang glider if the aspect ratio is 6.4 and the area of the wing is 40 square feet?

Your Turn Practice Using Real Numbers to Solve Problems

Homework Section 10.1 #1-13

Homework Section 10.1 #1-13