Solve the equation in the real number system.2x4 - 2x3 + x2 - 5x - 10 = 0
A. 
B. {-1, 2}
C. 
D. {1, -2}
Answer: B
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Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. 
- 
- 
+ C
B. 2 ln 
- 
- 
+ C
C. - 
- 
+ C
D. 
- 
+ C
Write an algebraic expression for each quantity using the given variable.The second angle of a triangle is triple the first. The third angle of the triangle is 
smaller than the first. Use the letter x.
A. x = first angle; 3x = second angle; 40 - x = third angle B. x = first angle; 3x = second angle; x + 40 = third angle C. x = first angle; x - 40 = second angle; 3x = third angle D. x = first angle; 3x = second angle; x - 40 = third angle
Solve the problem.The length of the diagonal of a rectangle is given by 
where L and W are the length and width of the rectangle. What is the length of the diagonal, D, of a rectangle that is 16 inches long and 2 inches wide? Round your answer to the nearest tenth of an inch, if necessary.
A. 5.7 inches B. 16.1 inches C. 4.2 inches D. 15.9 inches
Find the matrix product, if possible.
A. 
B. 
C. 
D. 