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Integration QUIZ 2 (definite integral)

Total questions: 6

Worksheet time: 28mins

Name
Class
Date
1.

²(3x2 - 2x)dx ?

a)

8

b)

4

c)

-8

d)

-4

2.

Given that  y=3ln(x2+4)2y=\frac{3\ln\left(x^2+4\right)}{2}  and  dydx=3xx2+4\frac{dy}{dx}=\frac{3x}{x^2+4} , find  12 3xx2+4dx\int_1^2\ \frac{3x}{x^2+4}dx  

a)

 32ln 85\frac{3}{2}\ln\ \frac{8}{5}  

b)

 32ln 58\frac{3}{2}\ln\ \frac{5}{8}  

c)

 32ln 85-\frac{3}{2}\ln\ \frac{8}{5}  

d)

 ln 3\ln\ 3  

3.
a)
a. 43
b)
b. 130/3
c)
c. 40
d)
d. 19/3
4.

Evaluate the definite integral.

a)

3

b)

9/2

c)

9

d)

-9/2

5.

Find the area of the shaded region.

a)

 213unit2-2\frac{1}{3}unit^2  

b)

 413unit2-4\frac{1}{3}unit^2  

c)

 413unit24\frac{1}{3}unit^2  

d)

 2 13unit22\ \frac{1}{3}unit^2  

6.

Which of the following is true for the area of shaded region in the diagram above?

a)

02y2dx\int_0^2y^2dx

b)

02xdx\int_0^2xdx

c)

02y2dy\int_0^2y^2dy

d)

02xdx\int_0^2\sqrt{x}dx