Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(-7, 7)}
B. {(7, -7)}
C. {(11, -11)}
D. {(-4, 7)}
Answer: B
Mathematics
You might also like to view...
Use a CAS integration utility to evaluate the triple integral of the given function over the specified solid region.
over the tetrahedron bounded by the coordinate planes and the plane 
A. 
B. 939
C. 
D. 
Mathematics
Find y '.y = 
A. 
+ 2x
B. - 
- 2x
C. 
+ 2x
D. - 
+ 2x
Mathematics
Graph the function.y = log4x
A. 
B. 
C. 
D. 
Mathematics
Differentiate.
Mathematics