Find the slope of the line containing the given pair of points. If a slope is undefined, state that fact.(2, 3) and (8, 8)
A. - 
B. 
C. 
D. 
Answer: C
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Simplify the complex fraction.
A. 
B. 
C. 
D. 
Solve the problem.Let f(x) = 2(x - 1)2 + 4. Find x such that (x, 10) is on the graph of f(x).
A. x = -1 ± 
B. x = 1 ± 
C. no solution
D. x = 1 ± 
Solve the problem.A domed ceiling is a parabolic surface. For the best lighting on the floor, a light source is to be placed at the focus of the surface. If 5 m down from the top of the dome the ceiling is 24 m wide, find the best location for the light source.
A. 14.4 m down from the top B. 7.2 m down from the top C. 21.6 m down from the top D. 28.8 m down from the top
Expressions of the form a3 - b3 are known as the difference of two cubes. They factor as follows,
. Factor the given expression.x3 - 216
A. (x - 6)(x2 + 36) B. (x + 6)(x2 - 6x + 36) C. (x - 6)(x2 + 6x + 36) D. (x + 216)(x2 - 1)