Solve for the requested variable without determining the constant of variation, k. Use the fact that if 
and 
then 
so that 
Assuming that y varies directly as the square root of x, and y = 4 when x = 36, find y when x = 100.
A. y = 
B. y = 
C. y = 
D. y = 
Answer: A
Mathematics
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Represent the circuit with a logical form.
A. (p ? q) ? (r ? s) B. p ? (q ? r) ? s C. (p ? q) ? (r ? s) D. (p ? q) ? (r ? s)
Mathematics
Graph the polynomial function. Factor first if the expression is not in factored form.f(x) = x3 +5x2 + 7x + 3
A. 
B. 
C. 
D. 
Mathematics
Find the center, foci, and vertices of the ellipse.16x2 + 36y2 = 576
A. center at (0, 0)
foci at (- 2
, 0) and (2
, 0)
vertices at (-6, 0), (6, 0)
B. center at (0, 0)
foci at (-6, 0) and (6, 0)
vertices at (-36, 0), (36, 0)
C. center at (0, 0)
foci at (0, - 2
) and (0, 2
)
vertices at (0, -6), (0, 6)
D. center at (0, 0)
foci at (0, -4) and (0, 4)
vertices at (0, -16), (0, 16)
Mathematics
Factor the difference of squares.9y4 - 64
A. Prime B. (3y2 - 8)2 C. (3y2 + 8)2 D. (3y2 + 8)(3y2 - 8)
Mathematics