Think you’ve got your head wrapped around **Quadratic Formula and Functions**? Put your knowledge to
the test. Good luck — the Stickman is counting on you!

Q. 1) Simplify the expression (-1 + 6*i*)(2*i*^{3} – 4)

-8 – 22*i*

16 – 22*i*

8 – 26*i*

16 – 26*i*

-8 – 26*i*

Q. 2) What are the roots of *y *= -2*x*^{2} + 5*x* – 2?

and

and

and *x* = 2

There are no real roots for this function

Q. 3) What are the roots of *y *= *x*^{2} + 7*x* + 17?

and

and

and

Q. 4) What are the roots of *y *= 5*x*^{2} – 10*x* + 5?

and

and

Q. 5) How many real roots does have?

1 real root

2 real roots

0 roots

None of the above