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Be seated before the bell rings DESK homework Warm-up (in your notes) Agenda : -Review - Hw p- 503 ;1-13 odd, 17-21 odd,24 - AP problem back ch 7: skip # 7
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Page 1: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

Be seated before the bell rings

DESK

homework Warm-up (in

your notes)

Agenda : -Review - Hw p- 503 ;1-13 odd,

17-21 odd,24 - AP problem back ch 7:

skip # 7

Page 2: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT3: Find the volume of a non-rotational solid with known cross sections

Page 3: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT3: Find the volume of a non-rotational solid with known cross sections

b

a

A x dx

Distance S 2

semi circles A= 2

r

4

2

0

dx8

V s

4

2

0

dx8

x

4

0

dx8

x

4

0

dx8

x

Area formula

2

2=

2

s

Page 4: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

Find volume of solid with base bounded by

With perpendicular cross section to the x-axis squares

y x

b

a

A x dx

2 square = area S

4

2

0

dxV S 4

2

0

dxx

4

0

dxx 8

Page 5: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

Find volume of solid with base bounded by y x

And

4

xy With perpendicular cross section to

the x-axis squares

2 square = area S

16

2

0

dxV S 216

0

dx4

xx

16 2

0

+ dx2 16

x x xx

16 3/2 2

0

+ dx2 16

x xx

162 5/2 3

02 5 48

x x x

1288.533

25

Page 6: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

Find volume of solid with base bounded by y x

And

4

xy With perpendicular cross section to

the y-axis squares

2 square = area S

4

2

0

dyV S 4

22

0

4 dyy y

4

2 3 4

0

16 8y y y dy 4

3 54

0

162

3 5

y yy

34.133

Page 7: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

Find volume of solid with base bounded by y x

And

4

xy With perpendicular cross section to

the x-axis rectangle with height 5

rect = area b h

16

0

dxV bh 16

0

5 dx4

xx

53.333

Page 8: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

Find volume of solid with base bounded by y x

And

4

xy With perpendicular cross section to

the x-axis isosceles right triangles . With a leg on the xy plane

21

isos = 2

area s

16

2

0

1 dx

2V s

216

0

1 dx

2 4

xx

4.266

Page 9: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

Find volume of solid with base bounded by y x

And

4

xy With perpendicular cross section to

the x-axis isosceles right triangles . With hypotenuse on xy plane

16

2

0

1 dx

4V s

216

0

1 dx

4 4

xx

2.666

21 isos

4area s

Page 10: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...
Page 11: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...
Page 12: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...
Page 13: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

More Examples

Page 14: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...
Page 15: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT1: Find the area between two curves.

Find the area of the region bounded by the two curves

Page 16: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT1: Find the area between two curves.

Sketch the region bounded by the graphs of the equations and find the area of the region

Page 17: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT1: Find the area between two curves.

Find the area of the region

You may use a calculator to evaluate the answer, but be sure to write the integral setup.

Page 18: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT1: Find the area between two curves.

Given the area between ,x = 6, and y =0 Find the line x = a such that the area is divided into two equal regions

2y x

6

2

0

x dx6

3

0

723

x 2

0

36

a

x dx 3

03

a

x

3

363

a

3 108 4.762a

Page 19: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT2: Find the volume of a rotational solid.

Find the volume of the solid created when the region bounded by

is rotated around the y axis.

~20.106

Page 20: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT2: Find the volume of a rotational solid.

Find the volume of the solid created when the region bounded by

is rotated around the x axis.

4

22

0

2 8 25.132x dx

4

2 2

0

dx

Page 21: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT2: Find the volume of a rotational solid.

Find the volume of the solid created when the region bounded by

is rotated around the y = 2

4

2

0

82

3x dx

Page 22: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT2: Find the volume of a rotational solid.

Find the volume of the solid created when the region bounded by

is rotated around the x= 7

2

22 2

0

7 7 97.17993275y dy

2

2 2

0

dy

Page 23: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT2: Find the volume of a rotational solid.

Find the volume of the solid created when the region bounded by

is rotated around the x = -1.

~36.861

2

2 2

0

dy

Page 24: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT2: Find the volume of a rotational solid.

Page 25: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT3: Find the volume of a non-rotational solid with known cross sections

Page 26: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT1: area between two curves

Write but do not solve an integral to find the line x = k. that divides the area R in equal halves.

2

.9419440815

0

(1 cos )xe x dx

.5909624501 2 .2954812251

2

0

(1 cos ) .2954812251

k

xe x dx

2 2

1

0

(1 cos ) (1 cos )

k

x x

k

e x dx e x dx

OR

Page 27: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT3: Find the volume of a non-rotational solid with known cross sections

Page 28: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT3: Find the volume of a non-rotational solid with known cross sections

Write but do not evaluate an integral to find the volume of the solid whose base is R if all cross sections perpendicular to the x axis are isosceles right triangles, with a leg as a base

2

isos2

sArea

2

31

2

x

T

x edx

Page 29: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT3: Find the volume of a non-rotational solid with known cross sections

Find the area bounded by the two equation from 0 and 1

.2387341293

3

0

1

3

.2387341293

x

x

e x dx

x e dx

.5353302711

Page 30: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT3: Find the volume of a non-rotational solid with known cross sections

Write but do not evaluate an integral to find the volume of the solid whose base is R if all cross sections perpendicular to the x axis are semicircles.

21 semicircle

2Area r

23

2

2

x

S

T

x e

dx

Page 31: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT3: Find the volume of a non-rotational solid with known cross sections

Find the volume of the solid created with R as the base if the cross sections perpendicular to the y axis are squares. You may use a calculator to evaluate the answer, but be sure to write the integral setup.

2x y 2 squareArea s

4

22

0

y dy

Page 32: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT 2 Volume of rotational solid

About the y – axis

Page 33: Warm-up (in -Review Hw p- 503 ;1-13 odd, 17-21 odd,24 AP ... · LT3: Find the volume of a non-rotational solid with known cross sections b a ... V bh ³ dx 16 0 5 dx 4 x x §· ...

LT 2 Find the volume of the solid revolved about the given axis. And bounded by the following equation:


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