Determine the number and type of solutions.4 - 3x2 = -7x + 5
A. 1 real solution
B. 2 real solutions
C. 2 imaginary solutions
Answer: B
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Solve the problem.Under certain conditions the x- and y- components of a magnetic file B area given by the equations
,where k is a constant. Write these equations in terms of polar coordinates.
A. Bx = k sin2 ?, By = -k cos2 ?
B. Bx = 
, By = - 
C. Bx = k cos2 ?, By = -k sin2 ?
D. Bx = 
, By = 
Subtract. Write the answer in lowest terms.
A. 
B. 
C. 0
D. 
Use the following figure to answer question
In which quadrant does point C lie?
Find the vertex, focus, and directrix of the parabola. Graph the equation.y2 + 12y = 8x + 4
A. vertex: (-5, -6)
focus: (-7, -6)
directrix: x = -3
B. vertex: (-5, -6)
focus: (-5, -4)
directrix: y = -8
C. vertex: (-5, -6)
focus: (-5, -8)
directrix: y = -4
D. vertex: (-5, -6)
focus: (-3, -6)
directrix: x = -7