Use Cramer's rule to solve the system.2x + 2y =102x - 2y =6
A. {(4, 1)}
B. {(-1, 4)}
C. {(1, 4)}
D. {(-4, -1)}
Answer: A
Mathematics
You might also like to view...
Solve using the elimination method. Use a graphing calculator to check your answer. 8x + 9y = 6216x = 60 - 18y
A. (8, 10) B. (1, 10) C. (1, 6) D. No solution
Mathematics
Perform the indicated operation.(2.4z + 10) - (9.6z - 14)
A. -7.2z + 24 B. 12z - 4 C. -72z + 24 D. 7.2z - 24
Mathematics
Divide.12.8 ÷ 16
A. 18 B. 1.8 C. 8 D. 0.8
Mathematics
Decide whether the ordered pair is a solution of the system of equations.
; (5, 2)
A. Yes B. No
Mathematics