Determine if the ordered pair is a solution of the equation. Remember to use alphabetical order for substitution.
; 2x + 8y = 10
A. Yes
B. No
Answer: B
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Find the nth term an of the geometric sequence.an = 
; 1, - 
, 
, . . . .
A. n = 13 B. n = 11 C. n = 18 D. n = 16
Make the following time conversion.540 seconds to minutes
A. 4 min B. 16 min C. 22 min D. 9 min
Graph the polar equation.r = 
Identify the directrix and vertices. 
A. directrix: 9 unit(s) to the left of
the pole at x = -9
vertices: 
,
B. directrix: 9 unit(s) below
the pole at y = -9
vertices: 
, 
C. directrix: 9 unit(s) to the right of
the pole at x = 9
vertices: 
, 
D. directrix: 9 unit(s) above
the pole at y = 9
vertices: 
, 
The graph of a function 
is given.
?
?
Find the coordinates of all points of inflection of this function (if any).
?
Please enter your answer as ordered pairs in the form (x, y) separated by commas.
What will be an ideal response?