Solve by completing the square.49x2 + 28x + 3 = 0

A. - , - 
B. , 
C. - , - 
D. - , 

Answer: A

Mathematics

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A.
B.
C.
D.

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Use a sum or difference identity to find the exact value.sin  cos  + cos  sin 

A.
B.
C. 1
D.

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Choose the function that might be used as a model for the data in the scatter plot.

A. Logistic, f(x) = 
B. Polynomial, not quadratic
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D. Exponential, f(x) = ab-x or f(x) = P0e-kx, k > 0

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Use a calculator to choose the equation whose graph is shown.

A. r2 = 
B. r = 
C. r = 
D. r = 

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