Solve using Cramer's rule.2x + 5y = 205x + y = -19
A. (-5, 6)
B. (5, -6)
C. (6, -5)
D. (-6, -5)
Answer: A
Mathematics
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Solve the problem by integration.The slope of a curve is given by 
Find the equation of the curve if it passes through 
.
A. y = - 
+ 
tan-1 
+ 
- 
?
B. y = 
- 
tan-1 
- 
+ 
?
C. y = - 
+ 
tan-1 
+ 
- 
?
D. y = 
+ 
tan-1 
- 
- 
?
Mathematics
Write the repeating decimal using an ellipsis.0.
A. 0.8
B. 0.
. . .
C. 0.888 . . .
D. 8.888 . . .
Mathematics
Determine whether the ordered pair is a solution of the system of linear equations.(-3, 4);
A. Yes B. No
Mathematics
Find the indicated term of the geometric sequence.a2 = -9, r = -3; Find a5.
A. -81 B. -243 C. 27 D. 243
Mathematics