Find the standard equation of the circle that satisfies the conditions.Center (3, 0), radius 9
A. (x + 3)2 + y2 = 81
B. x2 + (y - 3)2 = 9
C. x2 + (y + 3)2 = 9
D. (x - 3)2 + y2 = 81
Answer: D
Mathematics
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Solve the given equation.
Mathematics
Insert parentheses in order to make the statement true. More than one set of parentheses may be needed.4 ? 7 - 2 = 20
A. (4)(7)(-2) = 20 B. 4 ? (7 - 2) = 20 C. 4 ? 7 (-2) = 20 D. (4 ? 7) - 2 = 20
Mathematics
Find the slope of the tangent line to the graph of each function at the given point and determine an equation of the tangent line.
?
at 
?
A. 
B. ?
C. 
D. 
Mathematics
Find the value of c for which the expression is a perfect square trinomial. Then factor the perfect square trinomial.x2 - 
x + c
A. c = 
; x2 - 
x + 
= 
2
B. c = 
; x2 - 
x + 
= 
2
C. c = 
; x2 - 
x + 
= 
2
D. c = 
; x2 - 
x + 
= 
2
Mathematics