IM Alg2.2.7 Lesson: Using Factors and Zeros
M and K are both polynomial functions of x where
and . How are the two functions alike?
How are they different?
If a graphing window of and shows all intercepts of a graph of , what graphing window would show all intercepts of ?
Mai graphs the function given by
and sees this graph.
She says, “This graph looks like a parabola, so it must be a quadratic.”
Is Mai correct? Use graphing technology to check.
Explain how you could select a viewing window before graphing an expression like that would show the main features of a graph.
Using your explanation, what viewing window would you choose for graphing ?
Select some different windows for graphing the function . What is challenging about graphing this function?
Check your equation using graphing technology.
Write a possible equation for a polynomial whose graph has the following horizontal intercepts.
and
, and
, and
, and