Identify the equation without applying a rotation of axes.9x2 - 8xy + 4y2 + 2x + 4y + 8 = 0
A. hyperbola
B. ellipse
C. parabola
D. not a conic
Answer: B
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Simplify the expression. Assume that all variables are positive.(x-1/7)-1/4
A. 
B. x1/28
C. 
D. x28
Classify the function as a linear, quadratic, or exponential.f(x) = x2 + 9
A. Exponential B. Quadratic C. Linear
Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.
A. function domain: all real numbers range: all real numbers intercepts: (-2, 0), (0, 2), (2, 0) symmetry: none B. function domain: {x|x ? -2} range: {y|y ? 0} intercepts: (-2, 0), (0, 2), (2, 0) symmetry: none C. function domain: {x|x ? 0} range: {y|y ? -2} intercepts: (-2, 0), (0, 2), (2, 0) symmetry: y-axis D. not a function
Evaluate.(0.6)2
A. 0.36 B. 0.3 C. 36 D. 1.2