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. {(-1, -5)}
B. {(-2, -5)}
C. no solution; ?
D. {(-1, -6)}


Answer: D

Mathematics

You might also like to view...

Solve the system by graphing. Check the coordinates of the intersection point in both equations.

A. {(5, 2)} B. {(-5, 2)} C. {(x, y) ? 2x + y = -8} D. ?

Mathematics

Multiply.(5 - 3)2

A. 25 + 9
B. 70 - 30
C. 70 + 30
D. 25 - 9

Mathematics

Determine whether the vectors v and w are parallel.v = , w = 

A. Parallel B. Not parallel

Mathematics

Decide whether or not the equations are equivalent.x = 4 - 3x2x = 4

A. Not equivalent B. Equivalent

Mathematics