Solve the following quadratic equation using the Square Root Property. Make sure you simplify the final answer completely. Find the exact answer and a decimal approximation to the nearest tenth when possible.4z2 - 196 = 0
A. z = 99.5 or z = -99.5
B. z = 8
C. z = 7
D. z = 7 or z = -7
Answer: D
You might also like to view...
Solve using the quadratic formula. Write the solution set using interval notation.9x2 - 12x + -6 ? 0
A. 
? 
B. 
C. 
? 
D. 
Use the graph of f to determine the intervals where f is increasing and where f is decreasing.
A. increasing: (-?, ?); decreasing: never B. increasing: (-?, -5]; decreasing [-5, ?) C. increasing: [-5, ?); decreasing (-?, -5] D. increasing: (-?, 0]; decreasing [0, ?)
Solve the problem using the information given in the table and the retail inventory method. Round dollar amounts to the nearest cent.Find the total retail value. 
A. $100,580.00 B. $24,760.00 C. $143,700.00 D. $21,300.00
Use elimination to solve each system of equations, if possible. Identify the system as consistent or inconsistent. If the system is consistent, state whether the equations are dependent or independent. 
- 
= -18
+ 
= -9
A. (0, -12); consistent and independent B. (-12, 0); consistent and independent C. (12, 0); consistent and independent D. (0, 12); consistent and independent