College Algebra

Mon - Quiz covering Sec. 5.2, 5.4 - 5.8

Tue - Review Chapters 1 and 2

Wed - Review Chapters 3 and 4

Thu -

Fri - Final Exam covering Chapters 1 - 5

Accl. Geometry

Mon - Test covering Ch. 5

Tue - Review Chapters 1 and 2

Wed - Review Chapters 3 and 4

Thu - Final Exam covering Chapters 1 - 5

Fri -

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## Saturday, December 12, 2009

### Friday, December 11

College Algebra - We continued to discuss methods for "solving" triangles, focusing on the Law of Cosines. HW for Monday - Complete the Sec. 5.7 and 5.8 worksheets distributed in class.

Accl. Geometry - We continued our review of Ch. 5, focusing on the properties of the various quadrilaterals discussed in this chapter. HW for Monday - Complete the review packet distributed in class.

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*Note: Be prepared for a quiz covering all methods of solving a right triangle: right triangle trig, Law of Sines, and Law of Cosines.*Accl. Geometry - We continued our review of Ch. 5, focusing on the properties of the various quadrilaterals discussed in this chapter. HW for Monday - Complete the review packet distributed in class.

*Note: Be prepared for a test on Ch. 5.*.

## Thursday, December 10, 2009

### Thursday, December 10

College Algebra - We reviewed the use of the Law of Sines (Sec. 5.6). HW for Friday - complete the Sec. 5.6 Practice worksheet distributed in class.

Accl. Geometry - We discussed various ways to prove that a quadrilateral is in fact a parallelogram (Sec. 5.7). HW for Friday - Complete pgs 300- 301 #1 - 5.

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Accl. Geometry - We discussed various ways to prove that a quadrilateral is in fact a parallelogram (Sec. 5.7). HW for Friday - Complete pgs 300- 301 #1 - 5.

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### Wednesday, December 9

College Algebra - We discussed Sec. 5.2 and 5.4, focuing on the basic concepts related to right triangle trigonometry. HW for Thursday - Complete pg. 310 #31 - 39.

Accl. Geometry - We concluded our discussion of the properties of rectangles, rhombi, and squares (Sec. 5.6). HW for Thursday - Complete the quadrilateral properties review checklist that was distributed in class.

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Accl. Geometry - We concluded our discussion of the properties of rectangles, rhombi, and squares (Sec. 5.6). HW for Thursday - Complete the quadrilateral properties review checklist that was distributed in class.

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### Tuesday, December 8

College Algebra - We completed the Ch. 4 Test in class today. HW for Wednesday - Complete the 5.4 Practice worksheet distributed in class after the test.

Accl. Geometry - We reviewed continued our discussion of the properties of rectangles, rhombi, and squares (Sec. 5.6). HW for Wednesday - Complete the review worksheet packet distributed in class.

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Accl. Geometry - We reviewed continued our discussion of the properties of rectangles, rhombi, and squares (Sec. 5.6). HW for Wednesday - Complete the review worksheet packet distributed in class.

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## Monday, December 7, 2009

### Monday, December 7

College Algebra - We concluded our review of Ch. 4 ahead of tomorrow's chapter test, working on a show-your-work practice test. HW for Tuesday - Prepare for Tuesday's Ch. 4 Test.

Accl. Geometry - We continued our discusion of the properties of quadrilaterals, focusing on the parallelogram (Sec. 5.5). HW for Tuesday - Complete the parallelogram worksheet distributed in class today. Additionally, read Sec. 5.6 and complete pg. 294 #1 - 13. I have posted several "sketches" online to assist with your investigation of the rectangle, rhombus, and square.

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Accl. Geometry - We continued our discusion of the properties of quadrilaterals, focusing on the parallelogram (Sec. 5.5). HW for Tuesday - Complete the parallelogram worksheet distributed in class today. Additionally, read Sec. 5.6 and complete pg. 294 #1 - 13. I have posted several "sketches" online to assist with your investigation of the rectangle, rhombus, and square.

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### Friday, December 4

College Algebra - We continued our review of Chapter 4 ahead of the shpater test we will take on Tuesday, Dec. 8. HW for Monday - Complete pg A59, #1 - 20 and #23 - 25.

Accl. Geometry - We completed a quiz covering Sec. 5.1 - 5.4 in class today. HW for Monday - complete pgs. 283 - 284 #1 - 6 and #11. I have posted a "sketch" online to assist you with your investigation of the properties of a parallelogram.

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Accl. Geometry - We completed a quiz covering Sec. 5.1 - 5.4 in class today. HW for Monday - complete pgs. 283 - 284 #1 - 6 and #11. I have posted a "sketch" online to assist you with your investigation of the properties of a parallelogram.

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## Thursday, December 3, 2009

### Answers to Geometry HW Packet

Pg. 1 -

#1 - heptagon, not regular, convex

#2 - hexagon, not regular, concave

#3 - quadrilateral, regular, convex (square)

#4 - quadrilateral, not regular, concave (dart)

#5 - pentagon, regular, convex

#6 - dodecagon, not regular, concave

Pg. 2 -

#1 - (7-2)*(180) = 900

#2 - (8-2)*(180) = 1080

#3 - (13-2)*(180) = 1980

#4 - ext = 360/5 = 72 ... int = 180-72 = 108

#5 - ext = 360/9 = 40 ... int = 180-40 = 140

#6 - ext = 360/10 = 36 ... int = 180-36 = 144

#7 - (6-2)*(180) = 720 ... 720-535 = 185

#8 - ext = 360/8 = 45 ... x+7 = 45 ... x = 38

#9 - x+3x+5x+3x = 12x = 360 ... x = 30 ... 30, 90, 150, 90

#4 - 360/30 = 12 sides

#5 - 360/20 = 18 sides

#6 - 360/5 = 72 sides

#10 - ext = 180-int = 180-157.5 = 22.5 ... 360/22.5 = 16 sides

Pg. 3 -

#8 - 2(midsegment) = (sum of bases) = (2)*(5.5) = 11

11 = 1+10 = 2+9 = 3+8 = 4+7 = 5+6

Pg. 4 -

#1 - (1/2)(34+20) = (1/2)(54) = 27

#2 - (1/2)(MA+17.6) = 28.6 ... MA = 39.6

#3 - (1/2)(HT+23.9) = 16.4 ... HT = 8.9

#4 - (1/2)(4x+3) = (x+12) ... x = 10.5

#5 - 63

#6 - 52

#7 - 180-2x

#4 - (1/2)(40+63) = 51.5

#5 - (1/2)(3.2+4.4) = 3.8

#6 - (1/2)(18+32) = 25

#7 - D = 114, E = 114, G = 66

#8 - M = 122, N = 122, O = 58

#9 - X = 107, Y = 73, Z = 73

Pg. 5 -

#1 - bases: AB, CD; legs: AD, BC; base angles: A,B or D,C

#2 - bases: EH, FG; legs: EF, HG: base angles: E,H or F,G

#3 - bases: JK, ML; legs: JM, KL; baxe angles: J,K or M,L

#9 - ask in class

#10 - ask in class

#1 - heptagon, not regular, convex

#2 - hexagon, not regular, concave

#3 - quadrilateral, regular, convex (square)

#4 - quadrilateral, not regular, concave (dart)

#5 - pentagon, regular, convex

#6 - dodecagon, not regular, concave

Pg. 2 -

#1 - (7-2)*(180) = 900

#2 - (8-2)*(180) = 1080

#3 - (13-2)*(180) = 1980

#4 - ext = 360/5 = 72 ... int = 180-72 = 108

#5 - ext = 360/9 = 40 ... int = 180-40 = 140

#6 - ext = 360/10 = 36 ... int = 180-36 = 144

#7 - (6-2)*(180) = 720 ... 720-535 = 185

#8 - ext = 360/8 = 45 ... x+7 = 45 ... x = 38

#9 - x+3x+5x+3x = 12x = 360 ... x = 30 ... 30, 90, 150, 90

#4 - 360/30 = 12 sides

#5 - 360/20 = 18 sides

#6 - 360/5 = 72 sides

#10 - ext = 180-int = 180-157.5 = 22.5 ... 360/22.5 = 16 sides

Pg. 3 -

#8 - 2(midsegment) = (sum of bases) = (2)*(5.5) = 11

11 = 1+10 = 2+9 = 3+8 = 4+7 = 5+6

Pg. 4 -

#1 - (1/2)(34+20) = (1/2)(54) = 27

#2 - (1/2)(MA+17.6) = 28.6 ... MA = 39.6

#3 - (1/2)(HT+23.9) = 16.4 ... HT = 8.9

#4 - (1/2)(4x+3) = (x+12) ... x = 10.5

#5 - 63

#6 - 52

#7 - 180-2x

#4 - (1/2)(40+63) = 51.5

#5 - (1/2)(3.2+4.4) = 3.8

#6 - (1/2)(18+32) = 25

#7 - D = 114, E = 114, G = 66

#8 - M = 122, N = 122, O = 58

#9 - X = 107, Y = 73, Z = 73

Pg. 5 -

#1 - bases: AB, CD; legs: AD, BC; base angles: A,B or D,C

#2 - bases: EH, FG; legs: EF, HG: base angles: E,H or F,G

#3 - bases: JK, ML; legs: JM, KL; baxe angles: J,K or M,L

#9 - ask in class

#10 - ask in class

### Thursday, December 3

College Algebra - We concluded our discussion of new material in Ch. 4, focusing on solving rational inequalities. HW for Friday - Complete pgs. 248 - 249 #34 - 40 and complete the Ch. 4 Mult Choice Practice Test (Form 1A).

Accl. Geometry - We concluded our discussion of Sec. 5.3, focusing on the properties of kites and trapezoids. We will take a quiz tomorrow covering Sec. 5.1 - 5.4 on Friday. HW for Friday - Complete the review packet distributed in class.

Note: HW for Monday - Read Sec. 5.5 and complete #1 - 6 and #11 in Sec. 5.5.

Accl. Geometry - We concluded our discussion of Sec. 5.3, focusing on the properties of kites and trapezoids. We will take a quiz tomorrow covering Sec. 5.1 - 5.4 on Friday. HW for Friday - Complete the review packet distributed in class.

Note: HW for Monday - Read Sec. 5.5 and complete #1 - 6 and #11 in Sec. 5.5.

## Wednesday, December 2, 2009

### Wednesday, December 2

Reminder - We are on Schedule A on Thursday, December 3!

College Algebra - We completed our discussion of Sec. 4.6, focusing on solving rational inequalities. HW for Thursday - Complete pg. 248 #29 - 33 odd and the Study Guide (A2 Sec. 9.5) worksheet distributed in class today.

Accl. Geometry - We covered Sec. 5.3, focusing on the properties of kites and trapezoids. HW for Thursday - Complete pgs. 271 - 272 #1 - 9.

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College Algebra - We completed our discussion of Sec. 4.6, focusing on solving rational inequalities. HW for Thursday - Complete pg. 248 #29 - 33 odd and the Study Guide (A2 Sec. 9.5) worksheet distributed in class today.

Accl. Geometry - We covered Sec. 5.3, focusing on the properties of kites and trapezoids. HW for Thursday - Complete pgs. 271 - 272 #1 - 9.

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## Tuesday, December 1, 2009

### Tuesday, December 1

College Algebra - We began our discussion of Sec. 4.6, focusing on solving simple rational equations. HW for Wednesday - complete pg. #12 - 20 even.

Accl. Geometry - We continued our discussions in Chapter 5, focusing on midsegments of a triangle and a trapezoid (Sec. 5.4). HW for Wednesday - complete pgs. 277 - 279 #1 - 7 and #14.

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Accl. Geometry - We continued our discussions in Chapter 5, focusing on midsegments of a triangle and a trapezoid (Sec. 5.4). HW for Wednesday - complete pgs. 277 - 279 #1 - 7 and #14.

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