Solve the system of equations using the inverse of the coefficient matrix.-5x + 3y = 83x - 6y = -30
A. x = 6, y = 2
B. x = -2, y = -6
C. x = 2, y = 6
D. x = -6, y = -2
Answer: C
Mathematics
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Two points on L1 and two points on L2 are given. Determine whether L1 is parallel to L2, L1 is perpendicular to L2, or neither.L1: (3, -3), (8, -5); L2: (1, -3), (11, -7)
A. parallel B. perpendicular C. neither
Mathematics
Use the quadratic formula to solve the equation.4m2 + 12m + 4 = 0
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.
= 0
A. 
B. 
C. {5, 2}
D. 
Mathematics
Perform the indicated operation.v = -6i + 2j + 5k and w = -6i - 3j - 2k
Find
.
A. 
- 7
B. 9
C. 
D. 
Mathematics