Solving Systems of Linear Equations: Substitution (6.2.2) Exam/ Questions with Verified Answers/ .

Solving Systems of Linear Equations:
Substitution (6.2.2) Exam/ Questions with
Verified Answers/ 2024-2025.

In which step did Ernesto make the first error? - Answer: Step 3


y = 1/2x - 6
x = -4


What is the solution to the system of equations? - Answer: (-4, -8)


What is the solution to the system of equations?




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, y= 2/3x + 3
x = -2 - Answer: (-2,5/3)


y = 4x - 10
y=2


What is the solution to the system of equations? - Answer: (3,2)


y = -3x + 6
y=9


What is the solution to the system of equations? - Answer: (-1, 9)


Lian is deciding which of two gyms to join. Each gym charges a monthly rate plus a
one-time membership fee.


Lian correctly wrote and solved a system of linear equations by substitution to
compare the costs of the memberships. In her work, she substituted an expression
for one variable and solved for the other. This resulted in the equation 75 = 75.
What can Lian conclude? - Answer: Both gyms charge the same monthly rate and
the same membership fee.


What is the solution to the system of equations?
y= -3x - 2
5x + 2y = 15 - Answer: (-19, 55)

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