Complete in your notes. 5 Minute Check 1. An adult polar bear walks at an average rate of 5 kilometers per hour. Write an equation to find k, the number of kilometers a polar bear can walk in h hours. 2. An adult manatee eats approximately 100 pounds of aquatic food per day. Write an equation to find p, the number of pounds of food an adult manatee can eat in d days. 3. Rosalia burns 250 Calories for each hour she does aerobics. Write an equation to find c, the number of Calories Rosalia burns in h hours.

Complete in your notes. 5 Minute Check 1. An adult polar bear walks at an average rate of 5 kilometers per hour. Write an equation to find k, the number of kilometers a polar bear can walk in h hours.

Complete in your notes. 5 Minute Check 1. An adult polar bear walks at an average rate of 5 kilometers per hour. Write an equation to find k, the number of kilometers a polar bear can walk in h hours. k = 5h

Complete in your notes. 5 Minute Check 2. An adult manatee eats approximately 100 pounds of aquatic food per day. Write an equation to find p, the number of pounds of food an adult manatee can eat in d days.

Complete in your notes. p = 100d 5 Minute Check 2. An adult manatee eats approximately 100 pounds of aquatic food per day. Write an equation to find p, the number of pounds of food an adult manatee can eat in d days. p = 100d

Complete in your notes. 5 Minute Check 3. Rosalia burns 250 Calories for each hour she does aerobics. Write an equation to find c, the number of Calories Rosalia burns in h hours.

Complete in your notes. c = 250h 5 Minute Check 3. Rosalia burns 250 Calories for each hour she does aerobics. Write an equation to find c, the number of Calories Rosalia burns in h hours. c = 250h

OST Test Prep A rectangle has an area of (24x + 30) square units. Select all of the dimensions that are possible for this rectangle. 1. width 6 units; length (4x + 5) units 2. width 4 units; length (6x + 7) units 3. width 3 units; length (21x + 27) units 4. width 8 units; length (3x + 4) units 5. width 2 units; length (15x + 12x) units Area: 24x + 30

OST Test Prep A rectangle has an area of (24x + 30) square units. Select all of the dimensions that are possible for this rectangle. 1. width 6 units; length (4x + 5) units Area: 24x + 30

OST Test Prep A rectangle has an area of (24x + 30) square units. Select all of the dimensions that are possible for this rectangle. 1. width 6 units; length (4x + 5) units A = width x length A = 6 (4x + 5) A = 24x + 30 These are possible dimensions. Area: 24x + 30

OST Test Prep A rectangle has an area of (24x + 30) square units. Select all of the dimensions that are possible for this rectangle. 2. width 4 units; length (6x + 7) units Area: 24x + 30

OST Test Prep A rectangle has an area of (24x + 30) square units. Select all of the dimensions that are possible for this rectangle. 2. width 4 units; length (6x + 7) units A = width x length A = 4 (6x + 7) A = 24x + 28 These are not possible dimensions. Area: 24x + 30

OST Test Prep A rectangle has an area of (24x + 30) square units. Select all of the dimensions that are possible for this rectangle. 3. width 3 units; length (21x + 27) units Area: 24x + 30

OST Test Prep A rectangle has an area of (24x + 30) square units. Select all of the dimensions that are possible for this rectangle. 3. width 3 units; length (21x + 27) units A = width x length A = 3 (21x + 27) A = 63x + 81 These are not possible dimensions. Area: 24x + 30

OST Test Prep A rectangle has an area of (24x + 30) square units. Select all of the dimensions that are possible for this rectangle. 4. width 8 units; length (3x + 4) units Area: 24x + 30

OST Test Prep A rectangle has an area of (24x + 30) square units. Select all of the dimensions that are possible for this rectangle. 4. width 8 units; length (3x + 4) units A = width x length A = 8 (3x + 4) A = 24x + 32 These are not possible dimensions. Area: 24x + 30

OST Test Prep A rectangle has an area of (24x + 30) square units. Select all of the dimensions that are possible for this rectangle. 5. width 2 units; length (15x + 12x) units Area: 24x + 30

OST Test Prep A rectangle has an area of (24x + 30) square units. Select all of the dimensions that are possible for this rectangle. 5. width 2 units; length (15x + 12x) units A = width x length A = 2 (15x + 12x) A = 30x + 24x = 54x These are not possible dimensions. Area: 24x + 30

Flashcards Open your book to page 615.

Flashcards In saltwater fishing, any flounder that is caught may be kept if it is greater than or equal to 12 inches long. Any flounder shorter than that must be released back into the water. Pat caught a flounder that is 14 inches long. He wants to know if he can keep the fish.

Flashcards In saltwater fishing, any flounder that is caught may be kept if it is greater than or equal to 12 inches long. Any flounder shorter than that must be released back into the water. Pat caught a flounder that is 14 inches long. He wants to know if he can keep the fish.

Flashcards In saltwater fishing, any flounder that is caught may be kept if it is greater than or equal to 12 inches long. Any flounder shorter than that must be released back into the water. Pat caught a flounder that is 14 inches long. He wants to know if he can keep the fish.

Flashcards The bar representing Pat’s fish is longer than the bar representing the minimum length that can be kept. So, Pat can keep the fish.

Flashcards An inequality is a mathematical sentence that compares quantities. An inequality like x < 7 or x > 5 can be written to express how a variable compares to a number.

Flashcards The bar representing Pat’s fish is longer than the bar representing the minimum length that ca be kept. So, Pat can keep the fish.

Flashcards The bar representing Pat’s fish is longer than the bar representing the minimum length that ca be kept. So, Pat can keep the fish.

Flashcards

Flashcards

Thursday, Feb 16 Lesson 8.5 Inequalities

Inequalities Objective: To solve inequalities using mental math and the guess, check and revise method.

Inequalities An inequality is a mathematical sentence that compares quantities.

Inequalities This symbol means what? >

Inequalities This symbol means what? > means greater than

Inequalities This symbol means what? > means greater than <

Inequalities This symbol means what? > means greater than < means less than

Inequalities This symbol means what? >

Inequalities This symbol means what? > means greater than or equal to

Inequalities This symbol means what? > means equal to or greater than <

Inequalities This symbol means what? > means equal to or greater than < means less than or equal to

Inequalities Circle which number is a solution of the inequality. f + 2 < 9; 6, 7, 8 To solve this, substitute 6,7, and 8 for the variable f to make a true statement.

Inequalities Circle which number is a solution of the inequality. f + 2 < 9; 6, 7, 8 6 + 2 < 9 8 < 9

Inequalities Circle which number is a solution of the inequality. n - 3 > 6; 8, 9, 10 Do this on your own.

Inequalities Circle which number is a solution of the inequality. n - 3 > 6; 8, 9, 10 10 – 3 > 6 7 > 6

Inequalities Circle which number is a solution of the inequality. g - 7 > 6; 12, 13, 14

Inequalities Circle which number is a solution of the inequality. g - 7 > 6; 12, 13, 14 14 – 7 > 6 7 > 6 14 is the only solution. This is the work to be shown on today’s assignment.

Inequalities Circle which number is a solution of the inequality. x - 5 < 8; 13, 14, 15

Inequalities Circle which number is a solution of the inequality. x - 5 < 8; 13, 14, 15 13 – 5 < 8 8 < 8

Inequalities Is the given value a solution for the inequality? x + 3 > 9; x = 4 Do this on your own.

Inequalities Is the given value a solution for the inequality? x + 3 > 9; x = 4 4 + 3 > 9 7 > 9 4 is not a solution.

Inequalities Is the given value a solution for the inequality? 12 < 18 - y; y = 6 Do this on your own.

Inequalities Is the given value a solution for the inequality? 12 < 18 - y; y = 6 12 < 18 - 6 12 < 12 6 is a solution.

Inequalities Is the given value a solution for the inequality? 17 > 11 + x; x = 8 Do this on your own.

Inequalities Is the given value a solution for the inequality? 17 > 11 + x; x = 8 17 > 11 + 8 17 > 19 8 is not a solution. This is the work to be shown on today’s assignment.

Inequalities What is the solution for the inequality? 10 > 4 + x

Inequalities What is the solution for the inequality? 10 > 4 + x x can be any number less than 6.

Inequalities What is the solution for the inequality? g - 5 > 12

Inequalities What is the solution for the inequality? g - 5 > 12 g can be any number 17 or greater.

Inequalities Lisa works at a gift shop. She receives a bonus if she makes more the 20 balloon bouquets a month. Which months did she receive her bonus? Use the inequality b > 20, where b equals the number of balloon bouquets made each month to solve. Do this on your own.

Inequalities Lisa works at a gift shop. She receives a bonus if she makes more the 20 balloon bouquets a month. Which months did she receive her bonus? Use the inequality b > 20, where b equals the number of balloon bouquets made each month to solve. Since 25 > 20 and 32 > 20, She received the bonus in July and October.

Inequalities If the bakery sells more than 45 bagels in a day, they make a profit. Use the inequality b > 45 to determine which days the bakery made a profit. Do this on your own.

Inequalities If the bakery sells more than 45 bagels in a day, they make a profit. Use the inequality b > 45 to determine which days the bakery made a profit. Since 50 > 45 and 48 > 45; They made a profit on Friday and Saturday.

Inequalities If x = 2, is the following inequality true of false? Explain. 112 8 + x > 15 + 4x – 7

Inequalities If x = 2, is the following inequality true of false? Explain. 112 8 + x > 15 + 4x – 7 112 8 + 2 > 15 + 4·2 – 7 16 > 16 True

Inequalities If a > b and b > c, what is true about the relationship between a and c ? Explain.

Inequalities If a > b and b > c, what is true about the relationship between a and c ? Explain. a > c c would be to the left of b, which would be to the left of a

Retakes after school on today Inequalities Agenda Notes Skills Practice 8.5 Due by the end of the period If you complete this, read pages 617-620 and complete 620-623. Chapter 8 Test Tuesday, Feb 28 Retakes after school on today