Estimate the square root of the following number, n, by finding a natural number a such that a < 
< a + 1.230
A. 256
B. 16
C. 225
D. 15
Answer: D
Mathematics
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Find the real or imaginary solutions by completing the square.7m2 + 4m = 0
A. 
B. 
C. {0}
D. 
Mathematics
Write a formula for the nth term of the geometric sequence.
, - 
, 
, - 
, . . .
A. an = 
- 
(n - 1)
B. an = 
n - 1
C. an = 
n - 1 - 
D. an = 
n - 1
Mathematics
Solve the problem.The time, in seconds, that it takes an object to fall a distance d, in feet, is given by the algebraic expression 
. Find how long it will take a ball dropped from the top of a building 
tall to hit the ground. Write the answer in simplified radical form.
A. 
seconds
B. 
seconds
C. 
seconds
D. 
seconds
Mathematics
Find the midpoint of the line segment joining the two points.(1, 6) and (-9, -4)
A. 
B. 
C. 
D. 
Mathematics