Use Cramer's rule to solve the system.3x + 2y =383x - 2y =10
A. {(-8, -7)}
B. {(-7, 8)}
C. {(7, 8)}
D. {(8, 7)}
Answer: D
Mathematics
You might also like to view...
Find the unit tangent vector of the given curve.r(t) = 12t4i - 4t4j + 3t4k
A. T = 
i + 
j + 
k
B. T = 
i - 
j + 
k
C. T = 
i - 
j - 
k
D. T = 
i - 
j + 
k
Mathematics
Simplify by combining pairs of like terms.-b - 9c - 3b + 5c
A. -2b - 4c B. -4b - 4c C. -4b - 14c D. -2b + 4c
Mathematics
Divide and then check by multiplying.41 ÷ 41
A. 0 B. 41 C. 1 D. Undefined
Mathematics
Solve.Let P(n) represent the statement: 
In the proof that 
is true for all integers n, 
, what term must be added to both sides of P(k) to show 
follows from 
?
A. 6k + 3 B. 6k - 9 C. 6k - 3 D. P(k + 1)
Mathematics