Solve the equation using the quadratic formula.4x2 + 1 = 3x
A. 
B. 
C. 
D. 
Answer: A
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Determine the quadrant containing ?.tan ? > 0 and sec ? > 0
A. I B. II C. III D. IV
Solve the system for x and y using Cramer's rule. Assume a and b are nonzero constants.x + ay = 
x + by = 
A. 
B. 
C. 
D. 
Solve the equation for all complex solutions, giving exact forms in your solution set.x4 + 15x3 + 49x2 - 15x - 50 = 0
A. {-5, -1, 1, 10} B. {-1, 1, 5, 10} C. {-10, -5, -1, 1} D. {-10, -5, 1}
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: {x|x > 0} range: all real numbers intercept: (1, 0) symmetry: none B. function domain: all real numbers range: {y|y > 0} intercept: (1, 0) symmetry: none C. function domain: {x|x > 0} range: all real numbers intercept: (0, 1) symmetry: origin D. not a function