Ch.12 EOR

8th Grade Honors Math
Chapter 12 Examples of Rigor
Name:
Period:
Date:
Learning Target #1: I am learning to identify properties of polynomials.
Success Criteria
I know I am success
when I can….
Rewrite each polynomial in standard form. Then, identify the degree and classify the
polynomial by the number of terms.
1. x2 + 4x3 – 5x
2. 5x2 – 7
3. 3x3 - 2x4 + 3x - 2
12.1 – Write polynomials
in standard form.
12.1 – Classify polynomials
by degree and number of
terms.
Learning Target #2: I am learning to perform operations with polynomials.
Success Criteria
I know I am success
when I can….
12.1 – Add/subtract
polynomials.
12.2 – Multiply
polynomials.
Perform the indicated operation and simplify.
4. (4x2 – x + 2) + (-3x2 + 10x + 7)
5. (21t 4  3t 2  43)  (19t 3  33t  58)
6. (4x – 6x3 + 3x2) – (-9x3 + 7x – 2)
7. (2x2 – 8x) + (-3x2 + 8x – 6)
8. -3x3(2x2 – 4x – 9)
9. (x2 – 3)(2x + 7)
10. (4x – 3)(-6x + 1)
11. (x + 2)(3x2 – 5x – 1)
12. (9x – 3)2
Learning Target #3: I am learning to factor polynomials.
Success Criteria
I know I am success
when I can….
12.3 – Factor polynomials
using greatest common
factor.
12.3 – Factor trinomials by
grouping.
12.5 – Factor special case
polynomials.
Factor each polynomial.
13. 12x5 – 8x2
14. x2 –9x + 20
15. 2x2 – 5x – 3
16. x4 + 7x3 – 44x2
17. 4x2 – 49
18. 2x2 – 24x + 54
19. -24x2 – 6x + 9
20. x2 – 121
21. x2 – 10x + 25
22. 4x2 + 12x + 9
Learning Target #4: I am learning to determine the roots of quadratic equations.
Success Criteria
I know I am success
when I can….
#23-26: Determine the roots of each equation.
23. 3x2 + 5x = 0
24. x2 – 7x = 18
25. 2x2 + 10 = 9x
26. 4x2 – 36 = 0
12.4 – Solve quadratic
equations by factoring.