Solve the system using Gaussian elimination. -3x - 5y = -9-15x - 25y = -4
A. ?
B. {(5, 5)}
C. {(x, y) 
-3x - 5y = -9}
D. {(-9, -4)}
Answer: A
Mathematics
You might also like to view...
Simplify: 72 ÷ 8 ? 3 - 72
A. -3 B. -46 C. -22 D. 13
Mathematics
Match the graph to the correct inequality.
A. y ? -3x + 1 B. y ? 3x + 1 C. y ? 3x + 1 D. y ? -3x + 1
Mathematics
Use a truth table to decide if the statements are equivalent.q ? p; ~q ? p
A. Not equivalent B. Equivalent
Mathematics
Graph the function.f(x) = 4x
A. 
B. 
C. 
D. 
Mathematics