#6 (Critiquing the Reasoning of Others) Bob was asked to solve the following equation by using Identify WHAT Bob did wrong AND explain the reason The Quadratic Formula: WHY it is wrong. 2x2 + 8x + 3 = 0 Bob's work is in the table below. 2x² + 8x + 3 = 0 a=2 b=8 c=3 Now tell Bob what the correct answer is. -8±vs² – 4(2)(s) 2(2) -8±v 04 – 24 Submit 4. -8v 40 4. -8±2/4·10 -8210

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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#6 (Critiquing the Reasoning of Others)
Bob was asked to solve the following equation by using Identify WHAT Bob did wrong AND explain the reason
The Quadratic Formula:
WHY it is wrong.
2x2 + 8x + 3 =0
Bob's work is in the table below.
2x² + 8x + 3= 0
a= 2
b = 8
C= 3
Now tell Bob what the correct answer is.
-8+V
V8? – 4(2)(s)
2(2)
-8+v 04 – 24
Submit
-8+V 40
4
-8+2V4- 10
-8= 2V10
4
Transcribed Image Text:#6 (Critiquing the Reasoning of Others) Bob was asked to solve the following equation by using Identify WHAT Bob did wrong AND explain the reason The Quadratic Formula: WHY it is wrong. 2x2 + 8x + 3 =0 Bob's work is in the table below. 2x² + 8x + 3= 0 a= 2 b = 8 C= 3 Now tell Bob what the correct answer is. -8+V V8? – 4(2)(s) 2(2) -8+v 04 – 24 Submit -8+V 40 4 -8+2V4- 10 -8= 2V10 4
#5 (Constructing Arguments)
Explain WHY the nature of the roots occur the way they
do based on The Discriminant. Specifically, explain why:
· there are 2 RATIONAL roots when D > 0 and = a
perfect square
· there are 2 IRRATIONAL roots when D > 0 but +
a perfect square
· there is 1 RATIONAL root when D = 0
· there are 2 IMAGINARY/COMPLEX roots when D
< 0.
Submit
Transcribed Image Text:#5 (Constructing Arguments) Explain WHY the nature of the roots occur the way they do based on The Discriminant. Specifically, explain why: · there are 2 RATIONAL roots when D > 0 and = a perfect square · there are 2 IRRATIONAL roots when D > 0 but + a perfect square · there is 1 RATIONAL root when D = 0 · there are 2 IMAGINARY/COMPLEX roots when D < 0. Submit
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