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Algebra 2 5-6 Guided Practice: The Fundamental Theorem of Algebra

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Last updated about 3 years ago
14 questions
3
3
14
3
10
A.APR.3
N.CN.7
N.CN.9
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Question 1
1.

Solve It! The first graph shows the three complex number solutions of the equation:

The second graph shows the six solutions of the equation:
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N.CN.7
Question 3
3.

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Question 4
4.

Take Note: Graph a parabola that represents a quadratic function with no real zeros.

  • Click the graph tab.
  • Click on the graph background to add a point. Add two points to create a graph. Drag a point or type in x and y coordinates to edit its position. Click on a point to delete it.
5
Question 5
5.

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Question 7
7.

Take Note: For each function graphed on the right, identify its number of roots, numbers of real and complex roots, and the related equation.

You may need to zoom out to see all of the items. You can also place each item from the left column by selecting it (click it) then selecting (clicking on) the category for it.

  • has 2 roots
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Question 8
8.

Problem 1 Got It?

A.APR.3
N.CN.9
Question 9
9.

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Question 10
10.

Take Note: Summarize the four-step process used in Problem 1 to find all of the roots of the polynomial equation. You may use the canvas to help illustrate your written summary.

Question 11
11.

Problem 2 Got It? What are all the zeros of the function?
Select all that apply.

Problem 2 Got It? The graph of f(x) is shown.

Recall: The maximum number of turning points of a polynomial function is always one less than the degree of the function.
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Question 12
12.

Problem 2 Got It? Use turning points to explain why the graph does not show all of the real zeros of the function.

Question 13
13.

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Question 14
14.

🧠 Retrieval Practice:
Summarize the mathematical content of this lesson. What topics, ideas, and vocabulary were introduced?

Video Check: Select all that apply with regards to the video embedded directly above this item.
🕵️ I carefully watched the entire video.
📵 I removed distractions from my field of view while watching the entire video.
🎧 I used headphones (or earbuds) to listen to the entire video as I watched it.
✋ I sought clarification, as needed, to understand each concept in the video.
🎓 I understand each concept in the video and feel ready to move on.
🎯 I feel prepared to complete challenging problems related to the video.
❌ None of these statements apply.
Question 2
2.

Solve It: How many complex number solutions does this equation have?

Video Check: Select all that apply with regards to the video embedded directly above this item.
🕵️ I carefully watched the entire video.
📵 I removed distractions from my field of view while watching the entire video.
🎧 I used headphones (or earbuds) to listen to the entire video as I watched it.
✋ I sought clarification, as needed, to understand each concept in the video.
🎓 I understand each concept in the video and feel ready to move on.
🎯 I feel prepared to complete challenging problems related to the video.
❌ None of these statements apply.
Take Note: How many linear factors can a 4th-degree polynomial be factored into? Enter only a number.
Question 6
6.

Take Note: Summarize The Fundamental Theorem of Algebra.

has 1 real root & 1 complex root
has 2 real roots & 0 complex roots
has 2 complex roots & 0 real roots
represents y=x^{2}+2x+2
represents y=x^{2}-4
represents y=x^{2}-2x+1
A
B
C
D
Video Check: Select all that apply with regards to the video embedded directly above this item.
🕵️ I carefully watched the entire video.
📵 I removed distractions from my field of view while watching the entire video.
🎧 I used headphones (or earbuds) to listen to the entire video as I watched it.
✋ I sought clarification, as needed, to understand each concept in the video.
🎓 I understand each concept in the video and feel ready to move on.
🎯 I feel prepared to complete challenging problems related to the video.
❌ None of these statements apply.
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1
0
A 5th-degree polynomial has 5, 3, or 1 turning points. Three are visible, so there must be two more.
A 5th-degree polynomial has 4, 2, or 0 turning points. Three are visible, so there must be one more.
Video Check: Select all that apply with regards to the video embedded directly above this item.
🕵️ I carefully watched the entire video.
📵 I removed distractions from my field of view while watching the entire video.
🎧 I used headphones (or earbuds) to listen to the entire video as I watched it.
✋ I sought clarification, as needed, to understand each concept in the video.
🎓 I understand each concept in the video and feel ready to move on.
🎯 I feel prepared to complete challenging problems related to the video.
❌ None of these statements apply.