Randomly Generated Mathematics multiple choice Practice Exam
Grade: 12
Number of questions: 10

1. and the determinant of the coefficient
Matrix is -5, then the value of x is equal to
     
   5  
     
   3   

2. Suppose that a triangle has a vertices A=(1,2),B =(3,4) and C=(2,5) on the plane. What is the interior angle of the triangle at vertex B?
   90 o  
   45o   
   30 o  
   60o   

3. Suppose proposition is false (F), Which of the following true?
     
     
     
     

4. The orbit of mercury around the sun forms an ellipse with eccentricity
0.206, length of the major axis 1.6 X 108 km and the sun at one focus.
Which of the following is the best approximation of the maximum
distance from Mercury to the sun?
   7.596 X 10 7 km   
   6.995 km X 10 7 km   
   8.695 km X 10 7 km   
   5.695 km X 10 7 km   

5. Let
What is the value of a if f is continuous at x =1?
   8  
   0   
   4   
   2   

6. The area of the region bounded between the graph of f(x) = x3 and the x-axis from x = -1 to x = 2 is
   16   
     
   4   
     

7. A business association gets a net profit of Birr 3,000 at the end of each
month. Just after the fifth year, its amount was Birr 230,000. What was the starting amount of the business?
   Birr 47,000   
   Birr 50,000   
   Birr 53,000   
   Birr 56,000   

8. The following is a table of simple frequency distribution of a data with variable x.
x 1 3 4 5 7
Frequency 2 5 6 5 2

The standard deviation of the data is equal to:
     
   3  
     
     

9. The solution set of the equation 9( 1 - 2log3x) = 4 is:
     
     
     
     

10. Line l passes through (0,5) and (-5,0), what is the angle between the y-axis and l in radian measure?
     
     
     
     



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