Question

I've done 37 already. I just need help with these. Please & thanks!
#1. What are the x-intercepts of the graph of y+12=x^2+x?
A. (4,0) & (3,0)
B. (4,0) & (-3,0)
C. (-4,0) & (-3,0)
D. (-4,0) & (3,0)
#2. Where does the graph of y=3x^2-10x-8 cross the x-axis?
A. (2/3,0) and (-4,0)
B. (-2/3,0) and (4,0)
C. (4/3,0) and (-2,0)
D. (-4/3,0) and (2,0)
#3. What is true about the solutions of a quadratic equation when the radicand of the quadratic formula is zero?
A. No real solutions.
B. Two identical rational solutions.
C. Two different rational solutions.
D. Two irrational solutions.

Answer 1

#1.D
#2.B
#3.A

Answer 2

http://www.flvs.net/areas/studentservices/EOC/Documents/Practice%20Test%20for%20flvs_net_wsolutions_Final.pdf The entire sample exam with answers

Answer 3

Thank you both so much!