Determine if the given ordered triple is a solution of the system.(2, -2, -3)x - y + z = 3x + y + z = -3x + y - z = -7
A. not a solution
B. solution
Answer: A
Mathematics
You might also like to view...
Identify the curve as simple, closed, both, or neither.
A. Neither B. Closed C. Both D. Simple
Mathematics
Find any numbers for which the rational expression is undefined.
A. x = -10, x = 0, x = 10 B. x = 0 C. x = -6 D. x = 6
Mathematics
Perform the indicated operation, if possible.[-2 9 1] - [4 3]
A. [-6 6 1] B. [-6 6 -2] C. [-6 9 -2] D. Not defined
Mathematics
Solve. If necessary, round to the nearest tenth.If a tree 57.5 feet tall casts a shadow that is 23 feet long, find the height of a tree casting a shadow that is 19 feet long.
A. 53.5 ft B. 69.6 ft C. 47.5 ft D. 7.6 ft
Mathematics