WELCOME TO THE FHS ALGEBRA II QUIZAROO PAGE
CURRENT CHAPTER IS 5, Quadratic Functions

Current quizaroo #  5


1)  Which of the following is NOT true about y = x2 + 4x + 3?

 
a)  opens up
b)  Vertex Point at (-2, -1)
c)  Axis of symmetry is  y = -2
d)  y-intercept at (0, 3)
e)  x-intercepts at (-1, 0) and (-3, 0)
 

 
2)  For the quadratic y = -x2 + 5x, what is the vertex point?
 
a)  (-5/2, -75)
b)  (-5/2,  -25/4)
c)  (5, 0)
d)  (5, 50)
e)  (5/2, 25/4)
 

 
3)  What number would complete the square for:  2x2 - 10x + 12 = 0?
 
a)  25
b)  -25
c)  -25/4
d)  25/4
e)  5/2
 
 


a) -23
b) 2 - 5i
c) 29
d) 4 - 25i
e) 27


a) (21 - 19i)/5
b) (21 - 19i)/13
c) (9 + 19i)/5
d) (9 - 19i)/5
e) (9 - 19i)/13


6)  solve:  0 = x2 + 9
 
a)  3i and -3i
b)  3 and -3
c)  2i and -2i
d)  2 and -2
e)  can not solve by the quadratic formula


 
 click here for answers!!