1. Bell Ringer 1-5-11 1. Solve for the missing length 13 in 7 in ? in 2.If the triangle is dilated by a scale factor of 1.5, what is the perimeter of the new triangle? 3.By what percent did the triangle enlarge?

2. Solve for the missing length 13 in 7 in ? in

3. 2. If the triangle is dilated by a scale factor of 1.5, what is the perimeter of the new triangle? 13 in 7 in 14.8 in 3. By what percent did the triangle enlarge?

4. Quiz 1-5-11 A $500 table is on sale for 40% off the original price. The tax rate is 7%. If four co-workers are going to split the cost of the table, about how much will each co-worker pay? A. $321 B. $21 C. $80 D. $107

5. About how much will each person pay? To find the discount, I multiplied the discount % (converted to a decimal) by the regular price. I subtracted the discount to get the sales price. I multiplied the sales price by the tax % (converted to a decimal), and added that to the sales price. I divided by 4 to find out the amount per person. A $500 table is on sale for 40% off the original price. The tax rate is 7%. If four co-workers are going to split the cost of the table, about how much will each co-worker pay? Each person will pay about $80. 4 people split cost Regular: $500 Tax: 7% Discount: 40%

6. Speed Test 1. Get out a dry erase marker. 2. You have 1 minute to complete as many problems as you can. 3.We will grade in 1 minute. 4. Graph your results. Keep the graph in your notebook. 5. We will do this every day.

7. Problem of the Week & Word Problem #3-5 1. You have 5 minutes to work on the problem of the week and word problem. 2. The problem of the week must follow the Read, Think, Solve, Justify format. 3. When you are finished, turn them in. 4. They are due Friday.

8. Accelerated Math 1. You have 10 minutes to work on your accelerated math. 2. Work out every problem. 3. When you complete the practice problems, bring them to me. If you have worked them all, I will allow you to submit your answers. 4. This is INDIVIDUAL…NO TALKING!

9. Class Work: Pythagorean Theorem You need your notes. Title the notes: Pythagorean Theorem I will check your work at the end of class.

10. Pythagorean Theorem Leg Hypotenuse Legs: Sides a and b Hypotenuse: Always side c

11. Pythagorean Theorem a b c Theorem: a 2 + b 2 = c 2

12. Pythagorean Theorem A square garden, with 7 ft sides, has a diagonal walkway. How long is the walkway? HINT: Draw a picture 7 ft

13. Pythagorean Theorem 7 7 c Theorem: a 2 + b 2 = c 2 7 2 + 7 2 = c 2 49 + 49 = c 2 98 = c 2 Guess & Check 9.9 9.9 ft = c

14. Pythagorean Theorem Where is located on the number line? 3456 ABCDE

15. Points C and D are in the range. Point D is closest to 5.

16. Pythagorean Theorem If a 2 + b 2 = c 2, then the triangle is a right triangle. If a 2 + b 2 = c 2, then the sides are Pythagorean triples. Triangle sides: 5, 9, 11 5 2 + 9 2 = 11 2 25 + 81 = 121 106 = 121 Not a right triangle 5, 9, 11 are NOT Pythagorean Triples

17. SWAT It! The room is divided into 2 groups. One person from each group will stand on both sides of the screen with a fly swatter (never been used)! I will call out an amount. SWAT the equivalency for that amount. You cannot swat the same amount. 1 pt for first Correct -1 pt for wrong answer -1 pt for answer given by another teammate

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20. Class Work Glencoe pg. 165: 20, 21, 28 pg. 166: 33, 34 pg. 170: 12 pg. 171: 21, 22 You may use a calculator for your Guess & Check! Work on your sing-a-long project after you have completed your problems. The project is due Monday.