subject
Mathematics, 15.04.2020 11:46 navypeanut

Elsa and Olaf's teacher gave them a system of linear equations to solve. They
each took a few steps that led to the systems shown in the table below.
1, Systems
quivalent
tions and the
hod
Teacher
5x + 3y = -1
stems of
with elimination
43 - 9y = 8
Elsa
method
tems of linear
4.2 - 9y = 8
Olaf
15x + 9y = -3
4x - 9y = -5
9x - y = 7
cample:
systems of
Which of them obtained a system that is equivalent to the teacher's system?
Remember that two linear systems are "equivalent" if they have the same solution.
kample: non-
systems of
Choose 1
t systems of
review
~
Only Elsa
® Only Olaf
lutions to sys...
Both Elsa and Olaf


Elsa and Olaf's teacher gave them a system of linear equations to solve. They each took a few steps

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
Miguel’s teacher asks him to color 4/8 of his grid. he must use 3 colors: red, blue, and green. there must be more green sections than red sections. how can miguel color all the sections of his grid to follow all the rules
Answers: 1
question
Mathematics, 21.06.2019 19:30
Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.
Answers: 1
question
Mathematics, 22.06.2019 00:30
Bo is buying a board game that usually costs bb dollars. the game is on sale, and the price has been reduced by 18\%18%. which of the following expressions could represent how much bo pays for the game? choose 2 answers: choose 2 answers: (choice a) a 0.82b0.82b (choice b) b 1.18b1.18b (choice c) c b-0.18b−0.18 (choice d) d b-18b−18 (choice e) e b-0.18bb−0.18b
Answers: 2
question
Mathematics, 22.06.2019 01:30
Recall that two angles are complementary if the sum of their measures is? 90°. find the measures of two complementary angles if one angle is twenty dash nine times the other angle.
Answers: 2
You know the right answer?
Elsa and Olaf's teacher gave them a system of linear equations to solve. They
each took a few...
Questions
question
Mathematics, 26.01.2021 01:00
question
Mathematics, 26.01.2021 01:00
question
Mathematics, 26.01.2021 01:00
question
Mathematics, 26.01.2021 01:00
question
Law, 26.01.2021 01:00
Questions on the website: 13722362