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Quadratic Formula and Functions
Quadratic Formula and Functions

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!

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


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


and
and
and x = 2
There are no real roots for this function
x = -2 and
Q. 3) What are the roots of y = x2 + 7x + 17?


and
and
and
Q. 4) What are the roots of y = 5x2 – 10x + 5?


and
x = -1
and
x = -1 + 2i and x = -1 – 2i
x = 1
Q. 5) How many real roots does  have?


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

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