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Quadratic Formula and Functions

Quadratic Formula and Functions

Home Algebra II Quadratic Formula and Functions Module Quizzes Getting to the Root of the Formula Quiz

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

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. Simplify the expression (-1 + 6i)(2i3 – 4).

-8 – 22i
16 – 22i
8 – 26i
16 – 26i
-8 – 26i
Q. What are the roots of y = -2x2 + 5x – 2?

and x = 2
There are no real roots for this function
x = -2 and
Q. What are the roots of y = x2 + 7x + 17?

None of these answers.
Q. What are the roots of y = 5x2 – 10x + 5?

x = -1
x = -1 + 2i and x = -1 – 2i
x = 1
Q. How many roots does y = x2 + ½x + 3 have?

2 complex roots
1 real root
2 real roots
0 roots
None of the above