### CHECK OUT SHMOOP'S FREE STUDY TOOLS:

# Quadratic Formula and Functions: Getting to the Root of the Formula Quiz

Think you’ve got your head wrapped around

*? Put your knowledge to the test. Good luck — the Stickman is counting on you!***Quadratic Formula and Functions**Q. Simplify the expression (-1 + 6

*i*)(2*i*– 4).^{3}-8 – 22

*i*16 – 22

*i*8 – 26

*i*16 – 26

*i*-8 – 26

*i*Q. What are the roots of

*y*= -2*x*^{2}+ 5*x*– 2? and

and

and

*x*= 2There are no real roots for this function

*x*= -2 and

Q. What are the roots of

*y*=*x*^{2}+ 7*x*+ 17? and

and

and

Q. What are the roots of

*y*= 5*x*^{2}– 10*x*+ 5? and

*x*= -1

and

*x*= -1 + 2

*i*and

*x*= -1 – 2

*i*

*x*= 1

Q. How many real roots does

*y*=*x*^{2}+ ½*x*+ 3 have?*2 complex roots b.*

1 real root

2 real roots

0 roots

None of the above