For a review of how zeroes relate to the graph, watch this video.
For more review and a discussion of multiplicity, watch this video.
You will find Desmos helpful for this homework.
For a review of how zeroes relate to the graph, watch this video.
For more review and a discussion of multiplicity, watch this video.
You will find Desmos helpful for this homework.
Question 1
1.
Find the zeros of the function.
f(x) = x2(x-1)4(x+5)
Use x={#, #, #} format, with exactly one space after each comma. List the roots in increasing order.
Question 2
2.
Which root from f(x) = x2(x-1)4(x+5) has a multiplicity of 2?
Enter your answer as a number (the x-value of the root), no spaces.
Question 3
3.
Find the zeros of the function.
f(x) = x3 - 12x2 + 35x
Use x={#, #, #} format, with exactly one space after each comma. List the roots in increasing order.
Question 4
4.
Which best describes the graph of the function in #3?
Question 5
5.
Find the zeros of the function.
f(x) = -8x3 - 20x2
Use x={#, #} format, with exactly one space after the comma. List the roots in increasing order.
Question 6
6.
For #5, at which root does the graph bounce?
Enter your answer as a number, no spaces.
Question 7
7.
For #5, at which root does the graph pass through the x-axis?
Enter your answer as a number, no spaces.
Question 8
8.
A polynomial has zeros at -1, 2, and 7, all with multiplicity 1. In addition, its leading coefficient is 1. Write the function in standard form.
Use c1x3 + c2x2 + c3x + c4 format, no spaces, with cn being your coefficients.
Question 9
9.
A polynomial has zero at 0 with multiplicity 1, a zero at 1 with multiplicty 2, and a zero at 5 with multiplicity 1. In addition, its leading coefficient is 1. Write the function in standard form.
Use c1x4 + c2x3 + c3x2 + c4x format, no spaces, with cn being your coefficients.
STUDY this and #8. There will be one like this on the quiz.
Question 10
10.
Find the zeros of the function.
f(x) = x3 - 10x2 + 27x - 18
Use x={#, #, #} format, with exactly one space after each comma. List the roots in increasing order.
Question 11
11.
Find the zeros of the function.
f(x) = -x4 - 7x3 - 12x2
Use x={#, #, #} format, with exactly one space after each comma. List the roots in increasing order.
Question 12
12.
Question 13
13.
Consider the function
f(x) = x^{3} -3x + 1
f(x) is increasing on __________ and decreasing on __________.
f(x) has a relative max at __________ and a relative min at __________.
f(x) has a range of __________.
Question 14
14.
REVIEW
Write the polynomial in standard form, no spaces.
2x(x+1)^{2} - (5x^{2} - x)
Question 15
15.
REVIEW
Write the quotient in standard form, no spaces.
\frac{3x^{4} - 72x + 9x^{2}}{3x}
Review
Categorize the functions according to their end behaviors.
This will turn green when all answers are in the right spot
a binomial with a negative leading coefficient
1 - x
an odd degree polynomial with a negative leading coefficient
4x
2 - x^{2}
an odd degree polynomial with a positive leading coefficient