Use common or natural logarithms to solve the exponential equation symbolically.5x = 
A. x = 
B. x = ln 
C. x = - ln 
D. x = - 
Answer: D
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Use the definition of equality of complex numbers to find the real numbers x and y such that the equation is true.x - 5i = 7 + yi
A. x = 7, y = 5 B. x = -7, y = 12 C. x = 7, y = -5 D. x = -7, y = -2
Use the square root property to solve the quadratic equation.(2m - 3)2 = 121
A. 4, -7 B. 14, -8 C. 7, -4 D. 8, -14
Write the first four terms of the sequence whose general term is given.an = 3n - 3
A. 0, 3, 6, 9 B. 0, -3, -6, -9 C. 0, 1, 2, 3 D. 6, 9, 12, 15
Find the vertex, focus, and directrix of the parabola.x2 = 8y
A. vertex: (0, 0)
focus: (-2, 0)
directrix: x = 2
B. vertex: (0, 0)
focus: (2, 0)
directrix: x = -2
C. vertex: (0, 0)
focus: (0, 2)
directrix: y = -2
D. vertex: (0, 0)
focus: (0, -2)
directrix: y = 2