Solve the equation by completing the square.8x2 + 7x = -2
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the distance (correct to two decimal places) between the given parallel planes.
6x+7y-2z=12 and 12x+14y-2z=70
Mathematics
Answer the question about the given function.Given the function f(x) = x2 + 4x - 45, list the x-intercepts, if any, of the graph of f.
A. (-9, 0), (1, 0) B. (9, 0), (5, 0) C. (9, 0), (-5, 0) D. (-9, 0), (5, 0)
Mathematics
Graph the linear inequality in two variables.5x + y ? 2
A. 
B. 
C. 
D. 
Mathematics
Simplify. Assume that variables can represent any real number.
A. 7t
B. 24
C. 7
D. 7t2
Mathematics