Find all points where the function has any relative extrema or saddle points and identify the type of relative extremum.x3 + y3 + 8xy
A. Saddle point at (0, 0) and relative maximum at 
B. Saddle point at (0, 0) and relative maximum at 
C. Saddle point at (0, 0) and relative minimum at 
D. Relative maximum at (0, 0) and relative minimum at 
Answer: A
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Use implicit differentiation to find dy/dx.xy + x + y = x2y2
A. 
B. 
C. 
D. 
Identify the type of curve that each equation represents by evaluating B2 - 4AC. x2 - 6xy + y2 - 9y = 0
A. Parabola B. Hyperbola C. Ellipse
Factor the trinomial.24 + 5x - x2
A. (8 - x)(3 - x) B. (8 - x)(3 + x) C. (8 + x)(3 - x) D. (x + 8)(x - 3)
Tell whether the expression is a monomial. If it is, name the variable(s) and coefficient, and give the degree of the monomial.
A. Monomial; variable x; coefficient 14; degree 1 B. Monomial; variable x; coefficient 14; degree 0 C. Monomial; variable x; coefficient 14; degree -1 D. Not a monomial