Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.y2 - 9y - 4 = 0
A. 
B. 
C. 
D. 
Answer: D
Mathematics
You might also like to view...
Write the complex number in trigonometric form, using degree measure for the argument.2
- 2i
A. 4(cos(-60°) + i sin(-60°)) B. 4(cos 30° + i sin 30°) C. 4(cos(330°) + i sin(330°)) D. 4(cos 150° + i sin 150°)
Mathematics
Find the length s. Round the answer to three decimal places.
A. 2.687 ft B. 1.954 ft C. 2.443 ft D. 2.199 ft
Mathematics
Find the probability of the given event.A bag contains 5 red marbles, 4 blue marbles, and 1 green marble. A randomly drawn marble is not blue.
A. 
B. 6
C. 
D. 
Mathematics
Provide an appropriate response.Decide whether the elimination method or the substitution method involves the least amount of work. Do not solve. 7x + 5y = -78 5x - 2y = -39
A. Substitution B. Elimination
Mathematics