Find the solution(s) (if any) of the system of equations by the graphical method. If the equations are dependent, write your answer with x being arbitrary.
A. {(9, 6)}
B. {(6, 9)}
C. 
D. inconsistent
Answer: A
Mathematics
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Solve the given differential equation. (The form of yp is given.)D2y - y = 3 + x2 (Let yp = A + Bx + Cx2.)
A. y = c1ex + c2e-x + 5 - x2 B. y = c1ex + c2xex - 5 - x2 C. y = c1ex + c2e-x - 5 - x2 D. y = c1ex + c2e-x - 5 + x2
Mathematics
Sketch the surface z = f(x,y).f(x, y) = 2 -x2 - y2
A. 
B. 
C. 
D. 
Mathematics
Solve the system of linear equations using matrices.
A. (5, 1) B. ? C. (-1, -5) D. (1, 5)
Mathematics
Solve the problem.A banquet dinner is being organized by a club. The actual cost of the dinner is $28 per person. The members are to pay $7 to attend, with the club making up the difference. What percentage of the dinner's cost is the member to pay?
A. 15% B. 17% C. 20% D. 25%
Mathematics