Warm – up #1 Hw:pg 301 # 12-15, 21, 23, 39-49 ODD (skip 45)
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Transcript of Warm – up #1 Hw:pg 301 # 12-15, 21, 23, 39-49 ODD (skip 45)
![Page 1: Warm – up #1 Hw:pg 301 # 12-15, 21, 23, 39-49 ODD (skip 45)](https://reader035.fdocuments.us/reader035/viewer/2022062520/5697c0271a28abf838cd669f/html5/thumbnails/1.jpg)
Warm – up #1
1. Write in standard form.
What is the classification of this polynomial by its degree?
By its number of terms?
2. What is a cubic polynomial function in standard form with zeros 3, –3, and 3?
Hw:pg 301 # 12-15, 21, 23, 39-49 ODD (skip 45)
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Warm – up #1 Solutions
1. Write in standard form. What is the classification of this polynomial by its degree? By its number of terms?
Quintic trinomial
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Warm – up #1 Solutions
2. What is a cubic polynomial function in standard form with zeros 3, –3, and 3?
x = 3 x = –3 x = 3
x – 3 = 0 x + 3 = 0 x – 3 = 0
(x – 3)(x + 3)(x – 3) = 0
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Homework Log
Fri
11/20
Lesson 5 – 3
Learning Objective: To solve polynomial equations
Hw:pg 301 # 12-15, 21, 23, 39-49 ODD (skip 45)
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11/20/15 Lesson 5 – 3 Solving Polynomial
EquationsAlgebra II
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Learning Objective
To solve polynomial equations by factoring or quadratic formula
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Solve1.
x(2x + 1)(x – 3) = 0
x = 0, 3,
–6
–51–6
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Solve2.
x = 0
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Solve3.
(x – 1)(x + 1)=0
x – 1 = 0 x + 1 = 0
x = 1, –1
=0 NOT A DIFF OF SQURES!
x =
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Solve4.
x = 0 (multiplicity of 3)
x = 2 (multiplicity of 1)
x = 3 (multiplicity of 1)
6
–5–3–2
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Solve5.
x – 2 =0 x + 2 = 0
x = 2 x = -2
x =
–4
–31–4
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Solve6.
Diff of cubes FORMULA
(x – 1)(
x – 1 = 0
x = 1
x 1
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Solve7.
x + 2 = 0 x – 2 = 0 =0
x = -2 x = 2
x =
4
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Solve8.
x(x + 4)(x – 2) = 0
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Solve9.
Diff of cubes
(x – 2)(
x – 2 = 0
x = 2
x 2
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Ticket Out the Door
Find all solutions to
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Assignment:
Pg: 301 # 12-15, 21, 23, 39-49 ODD (skip 45)