worksheet practice 12-2 mrs. rivas international studies charter school c² = a² + b² (x + 5)² =...

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H om ew ork Worksheet Practice 12-2 Mrs. Rivas International Studies Charter School c² = a² + b² (x + 5)² = x² + 8² (x + 5)(x + 5) + 25 + 5x + 5x x ² x² + 10x + 25 x² + 10x + 25 = x² + 64 x² + 10x + 25 = x² + 64 10x + 25 = 64 10x = 39 x = 3.9

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Page 1: Worksheet Practice 12-2 Mrs. Rivas International Studies Charter School c² = a² + b² (x + 5)² = x² + 8² (x + 5)(x + 5) + 25+ 5x x²x² x² + 10x + 25 x² +

HomeworkWorksheet Practice 12-2Mrs. Rivas

International Studies Charter School

c² = a² + b²(x + 5)² = x² + 8²

(x + 5)(x + 5)

+ 25+ 5x + 5xx²

x² + 10x + 25

x² + 10x + 25 = x² + 64x² + 10x + 25 = x² + 6410x + 25 = 64

10x = 39

x = 3.9

Page 2: Worksheet Practice 12-2 Mrs. Rivas International Studies Charter School c² = a² + b² (x + 5)² = x² + 8² (x + 5)(x + 5) + 25+ 5x x²x² x² + 10x + 25 x² +

HomeworkWorksheet Practice 12-2c² = a² + b²

(x + 9)² = x² + 16²

(x + 9)(x + 9)

+ 81+ 9x + 9xx²

x² + 18x + 81

x² + 18x + 81 = x² + 256x² + 18x + 81 = x² + 25618x + 81 = 256

18x = 175

x = 9.7

Mrs. Rivas

International Studies Charter School

Page 3: Worksheet Practice 12-2 Mrs. Rivas International Studies Charter School c² = a² + b² (x + 5)² = x² + 8² (x + 5)(x + 5) + 25+ 5x x²x² x² + 10x + 25 x² +

HomeworkWorksheet Practice 12-2Mrs. Rivas

International Studies Charter School

Page 4: Worksheet Practice 12-2 Mrs. Rivas International Studies Charter School c² = a² + b² (x + 5)² = x² + 8² (x + 5)(x + 5) + 25+ 5x x²x² x² + 10x + 25 x² +

HomeworkWorksheet Practice 12-2Mrs. Rivas

International Studies Charter School

Page 5: Worksheet Practice 12-2 Mrs. Rivas International Studies Charter School c² = a² + b² (x + 5)² = x² + 8² (x + 5)(x + 5) + 25+ 5x x²x² x² + 10x + 25 x² +

HomeworkWorksheet Practice 12-2Both chords are 3 units from the center.

8

Mrs. Rivas

International Studies Charter School

Page 6: Worksheet Practice 12-2 Mrs. Rivas International Studies Charter School c² = a² + b² (x + 5)² = x² + 8² (x + 5)(x + 5) + 25+ 5x x²x² x² + 10x + 25 x² +

HomeworkWorksheet Practice 12-2Since chords are equal, they are equidistance to the center.

Mrs. Rivas

International Studies Charter School

Page 7: Worksheet Practice 12-2 Mrs. Rivas International Studies Charter School c² = a² + b² (x + 5)² = x² + 8² (x + 5)(x + 5) + 25+ 5x x²x² x² + 10x + 25 x² +

HomeworkWorksheet Practice 12-26.3

Mrs. Rivas

International Studies Charter School

Page 8: Worksheet Practice 12-2 Mrs. Rivas International Studies Charter School c² = a² + b² (x + 5)² = x² + 8² (x + 5)(x + 5) + 25+ 5x x²x² x² + 10x + 25 x² +

HomeworkWorksheet Practice 12-29

7 c² = a² + b²9² = 7² + x²81 = 49 + x²

¯¯ = x²325.7 = x

Mrs. Rivas

International Studies Charter School

Page 9: Worksheet Practice 12-2 Mrs. Rivas International Studies Charter School c² = a² + b² (x + 5)² = x² + 8² (x + 5)(x + 5) + 25+ 5x x²x² x² + 10x + 25 x² +

HomeworkWorksheet Practice 12-2x

5

c² = a² + b²x² = 5² + 4.2²x² = 25 + 17.64x² = ¯¯¯¯ 42.64x = 6.5

Mrs. Rivas

International Studies Charter School

Page 10: Worksheet Practice 12-2 Mrs. Rivas International Studies Charter School c² = a² + b² (x + 5)² = x² + 8² (x + 5)(x + 5) + 25+ 5x x²x² x² + 10x + 25 x² +

HomeworkWorksheet Practice 12-2c² = a² + b²

15² = 8² + x²225 = 64 + x²

¯¯¯ = x²16112.6885 = x

Mrs. Rivas

International Studies Charter School

Page 11: Worksheet Practice 12-2 Mrs. Rivas International Studies Charter School c² = a² + b² (x + 5)² = x² + 8² (x + 5)(x + 5) + 25+ 5x x²x² x² + 10x + 25 x² +

HomeworkWorksheet Practice 12-2

6

4xc² = a² + b²

x² = 4² + 6²x² = 16 + 36x² = ¯¯ 52x = 7.2

Mrs. Rivas

International Studies Charter School

Page 12: Worksheet Practice 12-2 Mrs. Rivas International Studies Charter School c² = a² + b² (x + 5)² = x² + 8² (x + 5)(x + 5) + 25+ 5x x²x² x² + 10x + 25 x² +

HomeworkWorksheet Practice 12-2

15

16x

x

c² = a² + b²16² = 15² + x²256 = 225 + x²¯¯ = x²31

5.5677 = x

Mrs. Rivas

International Studies Charter School

Page 13: Worksheet Practice 12-2 Mrs. Rivas International Studies Charter School c² = a² + b² (x + 5)² = x² + 8² (x + 5)(x + 5) + 25+ 5x x²x² x² + 10x + 25 x² +

HomeworkWorksheet Practice 12-2

124.5

4.5

x x

c² = a² + b²12² = 4.5² + x²144 = 20.25 + x²

¯¯¯¯¯ = x²123.7511.1242 = x

Mrs. Rivas

International Studies Charter School

Page 14: Worksheet Practice 12-2 Mrs. Rivas International Studies Charter School c² = a² + b² (x + 5)² = x² + 8² (x + 5)(x + 5) + 25+ 5x x²x² x² + 10x + 25 x² +

HomeworkWorksheet Practice 12-2

c² = a² + b²15² = 3² + x²225 = 9 + x²

¯¯¯ = x²21614.7 = x

Mrs. Rivas

International Studies Charter School

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