Why did the students come up with different values for the variable y

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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Why did the students come up with different values for the variable y?
Why did the students come up with different values for the variable y?
A.
Student 1 incorrectly transformed the first equation.
Student 1 incorrectly divided in the last step.
Student 2 incorrectly transformed the first equation.
Student 2 incorrectly divided in the last step.
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Transcribed Image Text:Why did the students come up with different values for the variable y? A. Student 1 incorrectly transformed the first equation. Student 1 incorrectly divided in the last step. Student 2 incorrectly transformed the first equation. Student 2 incorrectly divided in the last step. 2021 lluminate EducationTM Inc. Type here to search
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d26a8b469d/604a19eb922b2efe078b47ae/3?rldbqn=1
21_Math_CoorAlgBenchmark2_DCSD
Question 3
Il Pause
Q Zoom
Section 1- Question 3
Two students solved a system of equations.
Original system: 5x – 11y =-34
8x
12y = -4
Student 1:
Student 2
8x = 12y – 4
-40x + 88y = -42
40x- 60y
28y = -62
x =
20
5 (y-)
15
1ly = -34
- 1ly= -34
63
y = 9
Why did the students come up with different values for the variable y?
©2021 Iluminate Education TM Inc
921 AM
%24
3/11/2021
O Type here to search
Transcribed Image Text:save money to d26a8b469d/604a19eb922b2efe078b47ae/3?rldbqn=1 21_Math_CoorAlgBenchmark2_DCSD Question 3 Il Pause Q Zoom Section 1- Question 3 Two students solved a system of equations. Original system: 5x – 11y =-34 8x 12y = -4 Student 1: Student 2 8x = 12y – 4 -40x + 88y = -42 40x- 60y 28y = -62 x = 20 5 (y-) 15 1ly = -34 - 1ly= -34 63 y = 9 Why did the students come up with different values for the variable y? ©2021 Iluminate Education TM Inc 921 AM %24 3/11/2021 O Type here to search
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