Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.x2 + 8x - 5 = 0

A. {-4 ± 2}
B. {4 ± }
C. {-1 ± }
D. {-4 ± }


Answer: D

Mathematics

You might also like to view...

Determine whether the following is always true or not always true. Given reasons for your answers.|u| = 

What will be an ideal response?

Mathematics

Solve the problem.A coil of wire rotating in a magnetic field induces a voltage given by  where t is time in seconds. Find the smallest positive time to produce a voltage of 10.

A. 3.33 sec B. 3? sec C. 3 sec D. 3.33? sec

Mathematics

Write the expression in the form a + bi, where a and b are real numbers.10 + 

A. 10 + 4i B. 6 C. 10 + i D. 10 - 4i

Mathematics

Solve the problem.The position of a particle at time t is given by s, where . Find the velocity 

A. ds/dt = 
B. ds/dt = 
C. ds/dt = 
D. ds/dt = 

Mathematics