Find the real solutions, if any, of the equation. Use the quadratic formula.x2 + 3x + 1 = 0
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the curvature of the curve r(t).r(t) = (6 + 5 cos 9)t i - (1 + 5 sin 9t)j + 8k
A. ? = 5
B. ? = 
C. ? = 
D. ? = 
Mathematics
Determine the constant of variation for the stated condition.t varies jointly as r and s, and t = 72 when r = 60 and s = 30.
A. k = 
B. k = 30
C. k = 
D. k = 25
Mathematics
Use the Distributive Property to remove the parentheses.(x - 5)(x + 2)
A. x2 - 3x - 3 B. x2 - 3x - 10 C. x2 - 10x - 3 D. x2 - 4x - 10
Mathematics
Sketch the graph of the function and its inverse on the same coordinate axes.y = 
A. 
B. 
C. 
D. 
Mathematics