Mathematics

Brycen

4 May, 02:39

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}