Use the Square Root Method to
- $$7 \mathrm { z } ^ { 2 } + 2 = 849$$

Multiple Choice

Use the square root method to
- $$7 \mathrm { z } ^ { 2 } + 2 = 849$$

A) $\pm 12$
B) $424.5$
C) $\pm 11$
D) 11