## Friday, January 29, 2010

### Friday, January 29

College Algebra - We continued our discussion of the procedures employed for graphing the secant and cosecant functions. HW for Monday - Graph the following equations on the graph paper provided in class (also available online):

9:00

y = -2 csc (x - pi/4) - 1

y = 3 sec 1/2 (x + pi/2)

11:00

y = 1/2 sec 4(x) - 2

y = -2 csc (x - pi/4)

Note: These graphs will be collected in class on Monday.

Accl. Geometry - We concluded our discussion of basic area formulas, focusing on Heron's Formula for finding the area of a triangle. HW for Monday - Complete the Heron' Formula worksheet distributed in class and the area review packet distributed in class.

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9:00

y = -2 csc (x - pi/4) - 1

y = 3 sec 1/2 (x + pi/2)

11:00

y = 1/2 sec 4(x) - 2

y = -2 csc (x - pi/4)

Note: These graphs will be collected in class on Monday.

Accl. Geometry - We concluded our discussion of basic area formulas, focusing on Heron's Formula for finding the area of a triangle. HW for Monday - Complete the Heron' Formula worksheet distributed in class and the area review packet distributed in class.

**Review for Monday's quiz covering Sec. 8.1 - 8.3.**.

### Thursday, January 28

College Algebra - We began our dsicussion of precedures employed when graphing the secant and cosecant functions. HW for Friday - Complete pgs. 400 - 401 #15 - 17, #22 - 23, #30 - 34 (omit #33).

Accl. Geometry - We continued our discussion of area formulas, focusing on Pick's Formula for finding the area of a figure on a square grid. HW for Friday - Complete pgs. 435 - 437 #1 - 8.

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Accl. Geometry - We continued our discussion of area formulas, focusing on Pick's Formula for finding the area of a figure on a square grid. HW for Friday - Complete pgs. 435 - 437 #1 - 8.

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### Wednesday, January 27

College Algebra - We completed our discussion of modeling data using sinusoidal graphs and sine regression on the graphing calculator. HW for Thursday - Complete pg 393 #13 and #16.

Accl. Geometry - We discussed methids for deriving the area formulas for triangles, kites, and trapezoids. HW for Thrusday - Complete pgs. 430 - 431 #1 - 16.

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Accl. Geometry - We discussed methids for deriving the area formulas for triangles, kites, and trapezoids. HW for Thrusday - Complete pgs. 430 - 431 #1 - 16.

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## Monday, January 25, 2010

### Monday, Janauary 25

College Algebra - We completed our review of graphing the sine and cosine functions in preparation for Tuesday's quiz covering Sec. 6.3 - 6.5. HW for Tuesday - study for quiz.

Accl. Geometry - We completed our review of circles in preparation for Tuesday's Chapter 6 Test. HW for Tuesday - study fo test.

Accl. Geometry - We completed our review of circles in preparation for Tuesday's Chapter 6 Test. HW for Tuesday - study fo test.

## Sunday, January 24, 2010

## Saturday, January 23, 2010

### Friday, January 22

College Algebra - We continued our discussion of graphing the sine and cosine functions. HW for Monday - Complete the graphing wok sheet distributed in class.

Accl. Geometry - We began reviewing for the Ch. 6 Test. HW for Monday - Complete the practice test distributed in class.

Accl. Geometry - We began reviewing for the Ch. 6 Test. HW for Monday - Complete the practice test distributed in class.

### Thursday, January 21

Mrs. Will was our sub again today.

College Algebra - Students continued working in small groups, focusing on graphing the sine and cosine functions. Students should have completed the 6.4 - 6.5 worksheet in class and returned to Mrs. Will before the end of the hour. HW for Friday - Pg. 384 #28 - 35.

Accl. Geometry - Students will begin their review of Ch. 6 in preparation for a test early next week. Students should complete the worksheet distributed in class and return to Mrs. Will before the end of the hour. HW for Friday - pgs. 359 - 362 #1 - 20, #27 - 33.

College Algebra - Students continued working in small groups, focusing on graphing the sine and cosine functions. Students should have completed the 6.4 - 6.5 worksheet in class and returned to Mrs. Will before the end of the hour. HW for Friday - Pg. 384 #28 - 35.

Accl. Geometry - Students will begin their review of Ch. 6 in preparation for a test early next week. Students should complete the worksheet distributed in class and return to Mrs. Will before the end of the hour. HW for Friday - pgs. 359 - 362 #1 - 20, #27 - 33.

## Wednesday, January 20, 2010

### Wednesday, January 20

Accl. Geometry - In class, complete the worksheet below and return to Mrs. Will before the end of the hour. For HW, complete the assignment Mrs. Will writes on the board.

To get a copy of the worksheet ...

1) click on the image of the worksheet below

2) print a copy of the enlarged image on the printer in Rm. 216

3) e-mail me (SGrothfam@aol.com) if you have questions.

Check back before the end of the hour for answers to last night's HW.

To get a copy of the worksheet ...

1) click on the image of the worksheet below

2) print a copy of the enlarged image on the printer in Rm. 216

3) e-mail me (SGrothfam@aol.com) if you have questions.

Check back before the end of the hour for answers to last night's HW.

### Tuesday, January 19

College Algebra - We began our discussion of graphing basic trig functions, focusing on the sine and cosine functions. HW for Wednesday - pgs. 363 - 364 #13 - 30.

Accl. Geometry - We began our discussion of Sec. 6.5 - 6.6 by completing a Sketchpad activity in class involving circumference of a circle. HW for Wednesday - pgs. 337 - 338 #1 - 13 and page 342 #1 - 5.

Accl. Geometry - We began our discussion of Sec. 6.5 - 6.6 by completing a Sketchpad activity in class involving circumference of a circle. HW for Wednesday - pgs. 337 - 338 #1 - 13 and page 342 #1 - 5.

### Friday, January 15

College Algebra - We took a quiz covering Sec. 5.1 - 5.3 and Sec. 6.1. HW for Tuesday - Complete the Extra Credit worksheet (Sec. 6.2) distributed in class after the quiz.

Accl. Geometry - We took a quiz covering Sec. 6.1 - 6.4. No HW for Tuesday.

Accl. Geometry - We took a quiz covering Sec. 6.1 - 6.4. No HW for Tuesday.

### Thursday, January 14

College Algebra - We reviewed Sec. 5.1 - 5.3 and Sec. 6.1 (angle measures in radians) in preparation for tomorrow's quiz. HW for Friday - Complete the review worksheets (pg. 97 - 98) distributed in class.

Accl. Geometry - We continued our discussion of tangents and secants, focusing on common tangents. HW for Friday - Complete the worksheet distributed in class.

Accl. Geometry - We continued our discussion of tangents and secants, focusing on common tangents. HW for Friday - Complete the worksheet distributed in class.

### Wednesday, January 13

College Algebra - We discussed Sec. 6.1. HW for Thursday - complete pg 348 #11 - 14, #17 - 27 odd, and #28 - 30.

Accl. Geometry - We discussed interior and exterior angles of a circle. HW for Thursday - Complete pg. 328 #15 - 17, pg. 334 #11 - 19, and pg. 340 #19.

Accl. Geometry - We discussed interior and exterior angles of a circle. HW for Thursday - Complete pg. 328 #15 - 17, pg. 334 #11 - 19, and pg. 340 #19.

## Tuesday, January 12, 2010

### Tuesday, January 12

College Algebra - We continued our discussion of basic trig functions and the unit circle (Sec. 5.3). HW for Wednesday - Complete the worksheet assigned in class.

Accl. Geometry - We concluded our dicsussion of angles in a circle, focusing on interior and exterior angles of a circle. HW for Wednesday - Complete pg. 333 #8, pg. 339 #16, and pg. 346 #9.

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Accl. Geometry - We concluded our dicsussion of angles in a circle, focusing on interior and exterior angles of a circle. HW for Wednesday - Complete pg. 333 #8, pg. 339 #16, and pg. 346 #9.

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## Sunday, January 10, 2010

### Monday, January 11

College Algebra - We continued our discussion of the unit circle, Sec. 5.3. HW for Tuesday - Complete #15 - 21 in Sec. 5.5.

Accl. Geometry - We dicussed Sec. 6.3, focusing on conjectures involving hords and arcs on a circle. HW for Tuesday - Complete #1 - 14 in Sec. 6.3.

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Accl. Geometry - We dicussed Sec. 6.3, focusing on conjectures involving hords and arcs on a circle. HW for Tuesday - Complete #1 - 14 in Sec. 6.3.

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## Friday, January 8, 2010

### Friday, January 8

College Algebra - We began our discussion of the Unit Circle (Sec. 5.3). HW for Monday - Complete the Unit Circle wksht distributed in class and complete pgs. 296 - 297 #14 - 29.

Accl. Geometry - We concluded our discussion of Sec. 6.2, focusing on proofs of the various conjectures made in this section. HW for Monday - complete pg. 321 #13, 14, 16, 18.

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Accl. Geometry - We concluded our discussion of Sec. 6.2, focusing on proofs of the various conjectures made in this section. HW for Monday - complete pg. 321 #13, 14, 16, 18.

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### Thursday, January 7

SNOW DAY!!!!!!!!!!

Thanks you to all of the Accl. Geometry students who checked the site to see if we in fact had HW. Based on the large number of inquiries that I received, I now know that you are a very responsible group of students and that you do, in fact, know hwo to locate my HW blog!!!! Kudos ...

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Thanks you to all of the Accl. Geometry students who checked the site to see if we in fact had HW. Based on the large number of inquiries that I received, I now know that you are a very responsible group of students and that you do, in fact, know hwo to locate my HW blog!!!! Kudos ...

.

## Wednesday, January 6, 2010

### Wednesday, January 6

College Algebra - We discussed Sec. 5.1, focusing on rotational angles. HW for Thursday - pg. 282 - 283 #51 - 61 and #68 - 73.

Accl. Geometry - We continued our discussion of circles focusing on the properties of chords in a circle (Sec. 6.2). HW for Thursday - Complete pgs. 320 - 321 #1 - 12.

IN CASE OF A SNOW DAY ON THURSDAY ... check back to this blog for your HW assignment for Friday ;)

Accl. Geometry - We continued our discussion of circles focusing on the properties of chords in a circle (Sec. 6.2). HW for Thursday - Complete pgs. 320 - 321 #1 - 12.

IN CASE OF A SNOW DAY ON THURSDAY ... check back to this blog for your HW assignment for Friday ;)

### Tuesday, January 5

College Algebra - We reviewed solving triangles using the Law of Sines and the Law of Cosines. We completed an in-class group assessment covering Sec. 5.7 - 5.8. HW for Wednesday - Read Sec. 5.1 and complete pg 281 # 27 - 42 and #45 - 50.

Accl. Geometry - We comcluded the ALEKS online algebra assessment. The purpose of this assessment was two-fold ... 1) to assist with the placement of students into math classes for the 2010-11 school year and 2) to assist us with making changes to the geometry curriculum as needed. HW for Wednesday - Read Sec. 6.1 and complete the review worksheets distributed in class. Note: Several files have been added to my webpage to assist with the completion of these worksheets ...

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http://www.uhigh.ilstu.edu/math/sondgeroth/biogroth.html

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Accl. Geometry - We comcluded the ALEKS online algebra assessment. The purpose of this assessment was two-fold ... 1) to assist with the placement of students into math classes for the 2010-11 school year and 2) to assist us with making changes to the geometry curriculum as needed. HW for Wednesday - Read Sec. 6.1 and complete the review worksheets distributed in class. Note: Several files have been added to my webpage to assist with the completion of these worksheets ...

.

http://www.uhigh.ilstu.edu/math/sondgeroth/biogroth.html

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## Monday, January 4, 2010

### Monday, January 4

WELCOME BACK!!!!!

College Algebra - We reviewed the last new content covered in the fall - Law of Sines and Law of Cosines (Sec. 5.7 - 5.8). HW for Tuesday - pg. A35 (back of book) Lesson 5-7 #1 - 4 and Lesson 5-8 #1 - 2.

Accl. Geometry - We completed the ALEKS online assessment. When finished, you should read Sec. 6.1. To assist with your understanding of the section, refer to the sketchpad files available on my webpage. HW for Tuesday - Read Sec. 6.1 and complete pgs. 313 - 316 #1 - 6, #16 - 18.

College Algebra - We reviewed the last new content covered in the fall - Law of Sines and Law of Cosines (Sec. 5.7 - 5.8). HW for Tuesday - pg. A35 (back of book) Lesson 5-7 #1 - 4 and Lesson 5-8 #1 - 2.

Accl. Geometry - We completed the ALEKS online assessment. When finished, you should read Sec. 6.1. To assist with your understanding of the section, refer to the sketchpad files available on my webpage. HW for Tuesday - Read Sec. 6.1 and complete pgs. 313 - 316 #1 - 6, #16 - 18.

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