Solve the following quadratic equation using the quadratic formula. Find the exact answer. If there are no real solutions, so state.2x2 + 2x + 8 = 0
A. no real solution
B. x = 3 or x = 2
C. x = 
D. x = 
or x = 
Answer: A
Mathematics
You might also like to view...
Solve the problem.The period of vibration P for a pendulum varies directly as the square root of the length L. If the period of vibration is 4 sec when the length is 64 inches, what is the period when L = 2.25 inches?
A. 4.5 sec B. 4.75 sec C. 0.75 sec D. 4.25 sec
Mathematics
Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.The number 40 is what percent of 200?
A. 0.2% B. 20% C. 500% D. 2%
Mathematics
Solve the equation.
A. 
B. 
C. 
D. 
E. 
Mathematics
Rewrite using a positive exponent. Evaluate, if possible.
? 
? 
? 
A. 
4
B. (4)1/2
C. 
D. (2)4
Mathematics