Solve the system by substitution. If the system is inconsistent or dependent, say so.
A. (6, 2)
B. (2, 0)
C. infinite number of solutions of the equation 2x + y = 7; dependent system
D. empty set solution; inconsistent system
Answer: C
Mathematics
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Provide an appropriate response.How many real solutions are possible for a system of equations whose graphs are a parabola and a circle?
A. 0, 1, 2, or 3 solutions B. 1, 2, 3, or 4 solutions C. 0, 1, 2, 3, or 4 solutions D. 0, 1, 2, 3, 4, or 5 solutions
Mathematics
Integrate the function.
dx
A. 
ln 
- sin-1 
+ C
B. ln 
+ 
+ C
C. 
ln 
- 
+ C
D. x + ln 
+ 
+ C
Mathematics
Provide an appropriate response.The diagonals of a 
intersect at their common midpoint.
A. trapezoid B. pentagon C. parallelogram D. rhombus
Mathematics
Simplify.(57 - 18) ? [(80 + 25 ÷ 5) - (8 ? 8 - 1 ? 1)]
A. 822 B. 858 C. 915 D. 958
Mathematics