Write a direct variation equation, y = kx, that describes the graph.
A. y = 7x
B. y = 
x
C. y = -7x
D. y = - 
x
Answer: B
Mathematics
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Determine the symmetries of the curve.r = 16 cos 8?
A. y-axis only B. x-axis only C. No symmetry D. x-axis, y-axis, origin
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Use the graph of the function to state the value of 
if it exists.
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Write the expression in lowest terms.
A. 3k2 B. 8 C. 3k D. 8k2
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Identify the polynomial as a monomial, binomial, trinomial, or none of these.8y3z5 - 7y2z4 + 7yz3 + 12
A. Monomial B. Binomial C. Trinomial D. None of these
Mathematics