Solve the system by graphing. 2x + y = -3 4x + 4y = 4
A. (1, -5)
B. (4, 5)
C. (-4, -5)
D. (-4, 5)
Answer: D
Mathematics
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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = x2, y = 0, x = 0, x = 3
A. 9?
B. 
?
C. 
?
D. 
?
Mathematics
Solve the problem.A surveyor measured the length of a piece of land at 100-ft intervals (x), as shown in the table. Use Simpson's Rule to estimate the area of the piece of land in square feet.
A. 23,000 ft2 B. 22,000 ft2 C. 27,000 ft2 D. 22,500 ft2
Mathematics
Find the coordinates of the vertex of the quadratic function.f(x) = (x + 3)2 - 4
A. (-3, 4) B. (3, -4) C. (-3, -4) D. (3, 4)
Mathematics
Simplify the expression. Assume that all variables represent nonnegative real numbers.
+ 
+ 
+ 
A. 16
+ 17x
B. 160
+ 17x
C. 
xy + 
+ 17x
D. 16
+ 
+ 
Mathematics