Find the common ratio r for the given infinite geometric sequence.3, 9, 27, 81, 243, ...
A. 9
B. 
C. -3
D. 3
Answer: D
Mathematics
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Match the equation with the surface it defines.
+ 
= 
A. Figure 3 B. Figure 2 C. Figure 1 D. Figure 4
Mathematics
Find the length of the unknown side of the right triangle. In each case, a and b represent the lengths of the legs and c represents the length of the hypotenuse.
a = 
, b = 
; find c
A. 25
B. 5
C. 
D. 533
Mathematics
Solve the equation.4-x = 
A. 
B. {4}
C. 
D. {-4}
Mathematics
Write the quadratic function in the standard form y = a(x - h)2 + k.y = x2 + 10x
A. y = (x - 5)2 + 5 B. y = (x + 10)2 - 100 C. y = (x - 10)2 + 10 D. y = (x + 5)2 - 25
Mathematics