Find a natural number b that makes the expression a perfect square trinomial.x2 + 12x + b
A. 36
B. 144
C. 6
D. 12
Answer: A
Mathematics
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Determine if the given set of whole numbers is closed under addition.{0, 1}
A. Not closed B. Closed
Mathematics
Given the graph of the function f(x) = -x3 + 3x; find a formula for g(x) .f(x) = -x3 + 3xg(x) =
?
A. g(x) = -x3 + 3x - 2 B. g(x) = -(x + 2)3 + 3(x + 2) C. g(x) = -(x - 2)3 + 3(x - 2) D. g(x) = -x3 + 3x + 2
Mathematics
If y varies inversely as x, write a general formula to describe the variation.y = 2 when x = 7
A. y = 
B. y = 
C. y = 
D. y = 
x
Mathematics
Solve the equation.(x - 7)2 = -144
A. {-7 - 12i, -7 + 12i}
B. 
C. {7i - 12, 7i + 12}
D. {7 - 12i, 7 + 12i}
Mathematics