Find all complex-number solutions by completing the square.x2 + x + 6 = 0
A. 
B. 
C. 
D. 
Answer: B
Mathematics
You might also like to view...
Find the partial derivative of the dependent variable or function with respect to each of the independent variables.z = xye-y
A. 
= ye-y; 
= xe-y
B. 
= ye-y; 
= - xye-y
C. 
= ye-y; 
= xe-y(y - 1)
D. 
= ye-y; 
= xe-y(1 - y)
Mathematics
Translate the sentence to an equation and then solve.If 4 times a number is added to -9, the result is equal to 13 times the number.
A. 4x + (-9) = 13x; -1 B. 13(4x - 9) = -9; -1 C. 4x + 9x = 13; 1 D. 4x - (-9) = 13x; 1
Mathematics
Decompose into partial fractions.
A. 
- 
B. 
+ 
C. 
- 
D. 
- 
Mathematics
Find the sum.-80 + 0
A. 0 B. -80 C. 80 D. -800
Mathematics