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


Answer: C

Mathematics

You might also like to view...

Graph the function.Graph the function f(x) = sin 4x + cos 2x.

A.

B.

C.

D.

Mathematics

Find the location of the indicated absolute extremum for the function.Minimum

A. No minimum B. x = -1 C. x = 2 D. x = 1

Mathematics

Add or subtract, as indicated.0.58 - 0.12

A. -0.7 B. -0.6 C. 0.0696 D. 0.46

Mathematics

Solve.6r + 3 = 45

A. 40 B. 36 C. 7 D. 4

Mathematics