Unit Test #33

Select your answers to the following 10 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 

 

Q1:

 

The formula for the circumference of a circle is

C = 2π r

If π = 3.14 find C when r = 5 cm

A. 15.7 cm
B. 6.28 cm
C. 78.5 cm
D. 31.4 cm

Answer 1:

 

 

Q2:

 

What is the formula for the area of the rectangle above?

A. A = xy
B. A = 6xy
C. A = 3xy
D. A = 18xy

Answer 2:

 

 

Q3:

 

What is the formula for the perimeter of the rectangle in question 2? A. P = 6x +12y
B. P =3x + 6y
C. P = 3x + 12y
D. P = 6x + 6y

Answer 3:

 

 

Q4:

 

If x = − 2, what is the value of 3x2? A. -12
B. 12
C. 36
D. -36

Answer 4:

 

 

Q5:

 

Given x =a2bc 
find the value of x
when a = -2, b= -1 and c = -3
A. -36
B. -12
C. 12
D. 36

Answer 5:

 

 

Q6:

 

If a = 3, b = -4 and c = 5

then a2 + b2 − c=

A. -32
B. -6
C. 0
D. 50

Answer 6:

 

 

Q7:

 

 
find F when C = 20.
A. 4
B. 36
C. 68
D. 212

Answer 7:

 

 

Q8:

 

The formula A = 0.5bh gives the area of a triangle.

What is the area when the base (b) is 20 cm and the height (h) is 10 cm?

A. 100 cm2
B. 200 cm2
C. 50 cm2
D. 400 cm2

Answer 8:

 

 

Q9:

 

Evaluate y = when x = 2 A. -1
B. 0
C. 1
D. 2

Answer 9:

 

 

Q10:

 

The area of a circle is given by the formula A = π r2.

What is the area of a circle with radius 10 cm?

(Use π = 3.1)

A. 310 cm2
B. 31.0 cm2
C. 961 cm2
D. 96.1cm2

Answer 10: