Solve the equation by completing the square.
+ x + 1 = 0
A. -5 ± 
B. 5 + 
C. -10 ± 
D. 5 - 
, 5 + 
Answer: A
Mathematics
You might also like to view...
The torsion of a curve defined by is given by  Figure 3.png)
 multiple choice.png)
Mathematics
Write the complex number in trigonometric form, using degree measure for the argument.3
A. 3(cos 90° + i sin 90°) B. 3(cos 0° + i sin 0°) C. 3(cos 180° + i sin 180°) D. 3(cos 270° + i sin 270°)
Mathematics
Provide an appropriate response.If f(x) = ex2+1, find f''(x).
What will be an ideal response?
Mathematics
Solve the problem.The sun radiates energy into space at the rate of 3.9 × 1026 joules per second. How many joules are emitted in three weeks?
A. 7.07616 × 1059 joules B. 7.07616 × 1026 joules C. 7.07616 × 1032 joules D. 7.07616 × 1053 joules
Mathematics