1. Which of the following is the equation of the axis of symmetry for the function? y = x2 - 4x + 8
A. x = - 4
B. x = 2
C. y = - 2
D. y = 2x
2. This function has how many solutions? 4x2 = 0
A. 2
B. 1
C. 0
3. Which is the set of roots for the equation? x2 + 3x - 18 = 0
A. {18,-1}
B. {-2,9}
C. {-6,3}
D. {9}
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