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098 Factors, Roots and Zeros
By Marjorie Brewer
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Last updated about 5 years ago
13 questions
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Bell Assignment:
Question 1
1.
describe the end behavior of:
Question 2
2.
Choose all that are true about [1]:
odd
There is a zero at x=5.
There are two maxima.
positive
even
negative
There are 5 zeros.
There is a maximum at x=0.
Question 3
3.
If you are told that f(x) has an x-intercept of 5. What do you know about the factors, roots and zeros?
Choose all that are true.
there is a factor of (x-5)
There is a root at x=5.
there is a factor of (x+5)
There is a zero at x=5.
Notes L5-7: Factors Roots and Zeros
Question 4
4.
For
[4] - [9]
: We will solve x^{3}+2x=0, using f(x)=x^{3}+2x
Factor f(x).
Question 5
5.
How many real solutions will f(x)=0 have?
Question 6
6.
What is the degree of f(x)?
Question 7
7.
How many complex (real and imaginary) solutions will f(x)=0 have?
Question 8
8.
Since you know how many real zeros, and how many complex zeros, how many imaginary solutions will f(x)=0 have?
Question 9
9.
State complex solutions (real and imaginary) of f(x)=0.
visibility
View drawing
Question 10
10.
Write f(x) as a product of all three factors.
Question 11
11.
Solve x^{3}+12x^2+32x=0, using g(x)=x^{3}+12x^2+32x
Factor g(x)
visibility
View drawing
Question 12
12.
State complex solutions - real and imaginary- of g(x)=0.
Question 13
13.
How many solutions did you find? How do you know there are no others?