Factor the polynomial completely. If the polynomial cannot be factored, write "prime."4x2 - 16x
A. 16x(x - 4)
B. 4x(x - 4)
C. 4(x2 - 4x)
D. Prime
Answer: B
Mathematics
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Solve the formula for the specified variable.a + b = s + r for s
A. s = 
B. s = 
+ b
C. s = a + b - r
D. s = r(a + b)
Mathematics
Multiply.(7x + 11y)2
A. 7x2 + 154xy + 121y2 B. 49x2 + 154xy + 121y2 C. 49x2 + 121y2 D. 7x2 + 121y2
Mathematics
Solve the problem.A rectangular piece of cardboard measuring 15 inches by 29 inches is to be made into a box with an open top by cutting equal size squares from each corner and folding up the sides. Let x represent the length of a side of each such square. For what value of x will the volume be a maximum? If necessary, round to 2 decimal places.
A. 3.15 in. B. 23.04 in. C. 11.52 in. D. 13.79 in.
Mathematics
Graph the equation by finding the slope and y-intercept.4x + y = 7
A. 
B. 
C. 
D. 
Mathematics