1. Write each quadratic expression in st a. (x + 4)(x – 1) b. (2x - 1)(3x – 1)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.3: Quadratic Equations
Problem 82E
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Hi, is anybody Able to help with any of these? Xx
I Mathhem
Lesson 9 Practice Problems
1. Write each quadratic expression in standard form. Draw a diagram if needed.
a. (x + 4)(x – 1)
b. (2x – 1)(3x – 1)
2. Consider the expression 8 – 6x + x².
a. Is the expression in standard form? Explain how you know.
b. Is the expression equivalent to (x – 4)(x – 2)? Explain how you know.
3. Which quadratic expression is written in standard form?
2oguo
A. (x + 3)x
factor B. (x + 4)²
C. -x? – 5x + 7
D. x2 + 2(x + 3)
Are yo 4. Explain why 3x² can be said to be in both standard form and factored form.
Algebra 1 Unit 6
CC BY 2019 by Illustrative Mathematics®
Lesson 9
Transcribed Image Text:I Mathhem Lesson 9 Practice Problems 1. Write each quadratic expression in standard form. Draw a diagram if needed. a. (x + 4)(x – 1) b. (2x – 1)(3x – 1) 2. Consider the expression 8 – 6x + x². a. Is the expression in standard form? Explain how you know. b. Is the expression equivalent to (x – 4)(x – 2)? Explain how you know. 3. Which quadratic expression is written in standard form? 2oguo A. (x + 3)x factor B. (x + 4)² C. -x? – 5x + 7 D. x2 + 2(x + 3) Are yo 4. Explain why 3x² can be said to be in both standard form and factored form. Algebra 1 Unit 6 CC BY 2019 by Illustrative Mathematics® Lesson 9
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