Determine the number that should be added to complete the square of the expression. Then factor the expression.x2 + 8x
A. 16; (x + 4)2
B. 16; (x + 4)(x - 4)
C. 16; (x - 4)2
D. prime
Answer: A
Mathematics
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Decide whether the statement is true or false. If the statement is false, give an example to show that it is false.A Hamilton circuit for a graph uses each edge in the graph.
What will be an ideal response?
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The slope of a line is given. Determine the slope of the line parallel to the line whose slope is given.m = 3
A. m = - 
B. m = 
C. m = 3
D. m = -3
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Evaluate the function.Given that f(x) = 
, find f(1.4).
A. 
? 1.8
B. 
? 2.2361
C. 
? 1.8974
D. 
? 2.5298
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Simplify.
A. 8x(x + 8) B. x + 8 C. -(x + 8) D. -(x - 8)
Mathematics