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Sections

Polynomials

Pick a section. You read the idea first, then answer questions on it.

1. Where a polynomial is zero1 ideaRead
2. Before you start1 ideaRead
3. The value of a polynomial at a point1 ideaRead
4. Degree names the polynomial1 ideaRead
5. A zero is where the graph meets the x-axis1 ideaRead
6. The graph of a quadratic is a parabola1 ideaRead
7. Two zeros, one zero, or none1 ideaRead
8. Degree caps the number of zeros1 ideaRead
9. Splitting the middle term finds the zeros1 ideaRead
10. Sum and product of a quadratic’s zeros1 ideaRead
11. Building a quadratic from sum and product1 ideaRead
12. A zero is not the y-intercept1 ideaRead
13. The sum and the product are divided by a1 ideaRead
14. Worked: zeros by splitting the middle term1 ideaRead
15. Worked: deriving the sum-product relation1 ideaRead
16. Worked: zeros that are irrational1 ideaRead
17. Worked: building a quadratic from sum, product1 ideaRead
18. Worked: counting zeros from a graph1 ideaRead
19. Recap1 ideaRead
20. Where you will meet this1 ideaRead
21. Practice set: Exercise 2.11 ideaRead
22. Practice set: Exercise 2.21 ideaRead