Solve the system of equations using the addition method.x + y = 2x - y = 10
A. (6, -4)
B. (-6, -3)
C. (5, -3)
D. no solution
Answer: A
Mathematics
You might also like to view...
Add or subtract as indicated. Simplify, if necessary. 
- 
A. 
B. 
C. - 
D. - 
Mathematics
Solve the linear system using an inverse matrix. x + 2y + 3z = -1 x + y + z = -3-x + y + 2z = 11
A. (7, 4, 0) B. (-9, 10, -4) C. (30, -47, -16) D. (-1, -12, -22)
Mathematics
Use the quadratic formula to find the exact solutions.x2 - 10x + 34 = 0
A. 8, 2 B. 10 ± 6i C. -5 ± 3i D. 5 ± 3i
Mathematics
Determine whether or not the relationship shown in the table is a function.Does the table define y as a function of x?
A. Yes B. No
Mathematics